From a0ef1745356fd9649d97ec594ca11e1f5713fbb9 Mon Sep 17 00:00:00 2001
From: Pootle daemon <pootle@pootle.sugarlabs.org>
Date: Thu, 17 May 2012 00:30:19 +0000
Subject: Push many PO files from Pootle

---
(limited to 'po/zh_CN.po')

diff --git a/po/zh_CN.po b/po/zh_CN.po
index a35cb4d..f11a21f 100644
--- a/po/zh_CN.po
+++ b/po/zh_CN.po
@@ -10,9 +10,9 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2012-05-02 00:32-0400\n"
-"PO-Revision-Date: 2012-05-07 09:30+0200\n"
-"Last-Translator: Chris <cjl@laptop.org>\n"
+"POT-Creation-Date: 2012-05-09 00:32-0400\n"
+"PO-Revision-Date: 2012-05-10 10:37+0200\n"
+"Last-Translator: lite <litekok@gmail.com>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
 "Language: zh_CN\n"
 "MIME-Version: 1.0\n"
@@ -22,8 +22,8 @@ msgstr ""
 "X-Generator: Pootle 2.0.5\n"
 
 #: activity/activity.info:2 TurtleArt/taexporthtml.py:137
-#: TurtleArt/taexporthtml.py:139 TurtleArt/tawindow.py:3171
-#: pysamples/grecord.py:205 turtleart.py:288
+#: TurtleArt/taexporthtml.py:139 TurtleArt/tawindow.py:3182
+#: pysamples/grecord.py:205 turtleblocks.py:294
 msgid "Turtle Art"
 msgstr "海龟艺术"
 
@@ -56,7 +56,7 @@ msgid "clears the screen and reset the turtle"
 msgstr "清空屏幕并重置海龟"
 
 #: TurtleArt/tabasics.py:155
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:736
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:752
 msgid "left"
 msgstr "左边"
 
@@ -65,7 +65,7 @@ msgid "turns turtle counterclockwise (angle in degrees)"
 msgstr "逆时针转动海龟（角度）"
 
 #: TurtleArt/tabasics.py:166
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:760
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:776
 msgid "right"
 msgstr "右边"
 
@@ -93,11 +93,11 @@ msgstr "延弧形移动海龟"
 msgid "set xy"
 msgstr "设置 坐标"
 
-#: TurtleArt/tabasics.py:191 TurtleArt/tabasics.py:257 taextras.py:218
+#: TurtleArt/tabasics.py:191 TurtleArt/tabasics.py:257 taextras.py:236
 msgid "x"
 msgstr "横"
 
-#: TurtleArt/tabasics.py:191 TurtleArt/tabasics.py:257 taextras.py:219
+#: TurtleArt/tabasics.py:191 TurtleArt/tabasics.py:257 taextras.py:237
 msgid "y"
 msgstr "纵"
 
@@ -114,8 +114,8 @@ msgstr "设置朝向"
 msgid "sets the heading of the turtle (0 is towards the top of the screen.)"
 msgstr "设置海龟朝向（0表示朝向屏幕上方）"
 
-#: TurtleArt/tabasics.py:217 TurtleArt/tawindow.py:3167
-#: TurtleArt/tawindow.py:3171 TurtleArtActivity.py:611
+#: TurtleArt/tabasics.py:217 TurtleArt/tawindow.py:3178
+#: TurtleArt/tawindow.py:3182 TurtleArtActivity.py:585
 msgid "xcor"
 msgstr "横坐标"
 
@@ -125,8 +125,8 @@ msgid ""
 "number block)"
 msgstr "包含海龟当前位置的X座标值（可以用来替换数字块）"
 
-#: TurtleArt/tabasics.py:228 TurtleArt/tawindow.py:3167
-#: TurtleArt/tawindow.py:3171 TurtleArtActivity.py:612
+#: TurtleArt/tabasics.py:228 TurtleArt/tawindow.py:3178
+#: TurtleArt/tawindow.py:3182 TurtleArtActivity.py:586
 msgid "ycor"
 msgstr "纵坐标"
 
@@ -136,8 +136,8 @@ msgid ""
 "number block)"
 msgstr "包含海龟当前位置的Y座标值（可以用来替换数字块）"
 
-#: TurtleArt/tabasics.py:239 TurtleArt/tawindow.py:3167
-#: TurtleArt/tawindow.py:3171 TurtleArtActivity.py:612
+#: TurtleArt/tabasics.py:239 TurtleArt/tawindow.py:3178
+#: TurtleArt/tawindow.py:3182 TurtleArtActivity.py:586
 msgid "heading"
 msgstr "朝向"
 
@@ -179,7 +179,7 @@ msgstr "设置海龟绘制的线条的宽度"
 msgid "fill screen"
 msgstr "涂满全屏"
 
-#: TurtleArt/tabasics.py:310 TurtleArt/tabasics.py:400 taextras.py:264
+#: TurtleArt/tabasics.py:310 TurtleArt/tabasics.py:400 taextras.py:279
 msgid "color"
 msgstr "颜色"
 
@@ -319,255 +319,255 @@ msgstr "数值运算模板"
 msgid "plus"
 msgstr "加"
 
-#: TurtleArt/tabasics.py:549
+#: TurtleArt/tabasics.py:550
 msgid "adds two alphanumeric inputs"
 msgstr "将两个字符数值型输入相加"
 
-#: TurtleArt/tabasics.py:557
+#: TurtleArt/tabasics.py:558
 msgid "minus"
 msgstr "减"
 
-#: TurtleArt/tabasics.py:560
+#: TurtleArt/tabasics.py:561
 msgid "subtracts bottom numeric input from top numeric input"
 msgstr "将顶部输入减去底部输入"
 
-#: TurtleArt/tabasics.py:571
+#: TurtleArt/tabasics.py:572
 msgid "multiply"
 msgstr "乘"
 
-#: TurtleArt/tabasics.py:574
+#: TurtleArt/tabasics.py:575
 msgid "multiplies two numeric inputs"
 msgstr "将两个数值型输入相乘"
 
-#: TurtleArt/tabasics.py:583
+#: TurtleArt/tabasics.py:584
 msgid "divide"
 msgstr "除"
 
-#: TurtleArt/tabasics.py:586
+#: TurtleArt/tabasics.py:587
 msgid ""
 "divides top numeric input (numerator) by bottom numeric input (denominator)"
 msgstr "将顶部输入（分子）除以底部输入（分母）"
 
-#: TurtleArt/tabasics.py:596
+#: TurtleArt/tabasics.py:597
 msgid "identity"
 msgstr "自身"
 
-#: TurtleArt/tabasics.py:598
+#: TurtleArt/tabasics.py:599
 msgid "identity operator used for extending blocks"
 msgstr "用来拉长积木块的“自身”操作符"
 
-#: TurtleArt/tabasics.py:606 TurtleArt/tabasics.py:607
+#: TurtleArt/tabasics.py:607 TurtleArt/tabasics.py:608
 msgid "mod"
 msgstr "同余"
 
-#: TurtleArt/tabasics.py:610
+#: TurtleArt/tabasics.py:611
 msgid "modular (remainder) operator"
 msgstr "取模（余数）操作符"
 
-#: TurtleArt/tabasics.py:617
+#: TurtleArt/tabasics.py:618
 msgid "√"
 msgstr "√"
 
-#: TurtleArt/tabasics.py:618
+#: TurtleArt/tabasics.py:619
 msgid "square root"
 msgstr "平方根"
 
-#: TurtleArt/tabasics.py:621
+#: TurtleArt/tabasics.py:622
 msgid "calculates square root"
 msgstr "计算平方根"
 
-#: TurtleArt/tabasics.py:628
+#: TurtleArt/tabasics.py:629
 msgid "random"
 msgstr "随机值"
 
-#: TurtleArt/tabasics.py:628
+#: TurtleArt/tabasics.py:629
 msgid "min"
 msgstr "最小值"
 
-#: TurtleArt/tabasics.py:628
+#: TurtleArt/tabasics.py:629
 msgid "max"
 msgstr "最大值"
 
-#: TurtleArt/tabasics.py:632
+#: TurtleArt/tabasics.py:633
 msgid "returns random number between minimum (top) and maximum (bottom) values"
 msgstr "返回最小值（顶部）和最大值（底部）之间的随机数"
 
-#: TurtleArt/tabasics.py:644
+#: TurtleArt/tabasics.py:645
 msgid "number"
 msgstr "数字"
 
-#: TurtleArt/tabasics.py:645
+#: TurtleArt/tabasics.py:646
 msgid "used as numeric input in mathematic operators"
 msgstr "在数学运算符中作为数值型输入"
 
-#: TurtleArt/tabasics.py:652
+#: TurtleArt/tabasics.py:654
 msgid "greater than"
 msgstr "大于"
 
-#: TurtleArt/tabasics.py:655
+#: TurtleArt/tabasics.py:657
 msgid "logical greater-than operator"
 msgstr "逻辑“大于”运算符"
 
-#: TurtleArt/tabasics.py:661
+#: TurtleArt/tabasics.py:663
 msgid "True"
 msgstr "真"
 
-#: TurtleArt/tabasics.py:667
+#: TurtleArt/tabasics.py:669
 msgid "less than"
 msgstr "小于"
 
-#: TurtleArt/tabasics.py:670
+#: TurtleArt/tabasics.py:673
 msgid "logical less-than operator"
 msgstr "逻辑“小于”运算符"
 
-#: TurtleArt/tabasics.py:675
+#: TurtleArt/tabasics.py:678
 msgid "False"
 msgstr "假"
 
-#: TurtleArt/tabasics.py:681
+#: TurtleArt/tabasics.py:684
 msgid "equal"
 msgstr "等于"
 
-#: TurtleArt/tabasics.py:684
+#: TurtleArt/tabasics.py:688
 msgid "logical equal-to operator"
 msgstr "逻辑“等于”运算符"
 
-#: TurtleArt/tabasics.py:690
+#: TurtleArt/tabasics.py:694
 msgid "not"
 msgstr "非"
 
-#: TurtleArt/tabasics.py:693
+#: TurtleArt/tabasics.py:697
 msgid "logical NOT operator"
 msgstr "逻辑“非”运算符"
 
-#: TurtleArt/tabasics.py:699 TurtleArt/tabasics.py:702
+#: TurtleArt/tabasics.py:703 TurtleArt/tabasics.py:706
 msgid "and"
 msgstr "与"
 
-#: TurtleArt/tabasics.py:703
+#: TurtleArt/tabasics.py:707
 msgid "logical AND operator"
 msgstr "逻辑“与”运算符"
 
-#: TurtleArt/tabasics.py:710 TurtleArt/tabasics.py:713
+#: TurtleArt/tabasics.py:714 TurtleArt/tabasics.py:717
 msgid "or"
 msgstr "或"
 
-#: TurtleArt/tabasics.py:714
+#: TurtleArt/tabasics.py:718
 msgid "logical OR operator"
 msgstr "逻辑“或”运算符"
 
-#: TurtleArt/tabasics.py:723
+#: TurtleArt/tabasics.py:727
 #: plugins/turtle_blocks_extras/turtle_blocks_extras.py:94
 msgid "Palette of flow operators"
 msgstr "流程控制模板"
 
-#: TurtleArt/tabasics.py:728
+#: TurtleArt/tabasics.py:732
 msgid "wait"
 msgstr "等待"
 
-#: TurtleArt/tabasics.py:732
+#: TurtleArt/tabasics.py:736
 msgid "pauses program execution a specified number of seconds"
 msgstr "暂停程序执行指定秒数"
 
 # Here, 'forever' means 'forever repeat'.
-#: TurtleArt/tabasics.py:739
+#: TurtleArt/tabasics.py:743
 msgid "forever"
 msgstr "永远执行"
 
-#: TurtleArt/tabasics.py:743
+#: TurtleArt/tabasics.py:747
 msgid "loops forever"
 msgstr "永远执行的循环"
 
-#: TurtleArt/tabasics.py:750 TurtleArt/tabasics.py:754
+#: TurtleArt/tabasics.py:754 TurtleArt/tabasics.py:758
 msgid "repeat"
 msgstr "重复"
 
-#: TurtleArt/tabasics.py:755
+#: TurtleArt/tabasics.py:759
 msgid "loops specified number of times"
 msgstr "循环指定次数"
 
-#: TurtleArt/tabasics.py:761 TurtleArt/tabasics.py:773
+#: TurtleArt/tabasics.py:765 TurtleArt/tabasics.py:777
 msgid "if"
 msgstr "如果"
 
-#: TurtleArt/tabasics.py:761
+#: TurtleArt/tabasics.py:765
 msgid "then"
 msgstr "那么"
 
-#: TurtleArt/tabasics.py:764
+#: TurtleArt/tabasics.py:768
 msgid "if then"
 msgstr "如果 那么"
 
-#: TurtleArt/tabasics.py:766
+#: TurtleArt/tabasics.py:770
 msgid "if-then operator that uses boolean operators from Numbers palette"
 msgstr "“如果-那么”运算符，会用到数值模板中的布尔运算符"
 
-#: TurtleArt/tabasics.py:773
+#: TurtleArt/tabasics.py:777
 msgid "then else"
 msgstr "那么 或者"
 
-#: TurtleArt/tabasics.py:777
+#: TurtleArt/tabasics.py:781
 msgid "if then else"
 msgstr "如果 那么 或者"
 
-#: TurtleArt/tabasics.py:778
+#: TurtleArt/tabasics.py:782
 msgid "if-then-else operator that uses boolean operators from Numbers palette"
 msgstr "“如果-那么-或者”运算符，会用到数值模板中的布尔运算符"
 
-#: TurtleArt/tabasics.py:786
+#: TurtleArt/tabasics.py:790
 msgid "horizontal space"
 msgstr "水平空白"
 
-#: TurtleArt/tabasics.py:787
+#: TurtleArt/tabasics.py:791
 msgid "jogs stack right"
 msgstr "将块堆向右推"
 
-#: TurtleArt/tabasics.py:794
+#: TurtleArt/tabasics.py:798
 msgid "vertical space"
 msgstr "竖直空白"
 
-#: TurtleArt/tabasics.py:795
+#: TurtleArt/tabasics.py:799
 msgid "jogs stack down"
 msgstr "将积木堆向下推"
 
-#: TurtleArt/tabasics.py:801
+#: TurtleArt/tabasics.py:805
 msgid "stop action"
 msgstr "停止动作"
 
-#: TurtleArt/tabasics.py:804
+#: TurtleArt/tabasics.py:808
 msgid "stops current action"
 msgstr "停止当前动作"
 
-#: TurtleArt/tabasics.py:813
+#: TurtleArt/tabasics.py:817
 msgid "Palette of variable blocks"
 msgstr "可变块模板"
 
-#: TurtleArt/tabasics.py:818 pysamples/grecord.py:213
+#: TurtleArt/tabasics.py:822 pysamples/grecord.py:213
 msgid "start"
 msgstr "开始"
 
-#: TurtleArt/tabasics.py:821
+#: TurtleArt/tabasics.py:825
 msgid "connects action to toolbar run buttons"
 msgstr "关联动作到工具栏中的运行按钮"
 
-#: TurtleArt/tabasics.py:829
+#: TurtleArt/tabasics.py:833
 msgid "store in box 1"
 msgstr "保存到盒子1"
 
-#: TurtleArt/tabasics.py:833
+#: TurtleArt/tabasics.py:838
 msgid "stores numeric value in Variable 1"
 msgstr "保存数值到变量1"
 
-#: TurtleArt/tabasics.py:840
+#: TurtleArt/tabasics.py:845
 msgid "store in box 2"
 msgstr "保存到盒子2"
 
-#: TurtleArt/tabasics.py:844
+#: TurtleArt/tabasics.py:850
 msgid "stores numeric value in Variable 2"
 msgstr "保存数值到变量2"
 
-#: TurtleArt/tabasics.py:851 TurtleArt/tabasics.py:852
-#: TurtleArt/tabasics.py:853
+#: TurtleArt/tabasics.py:857 TurtleArt/tabasics.py:858
+#: TurtleArt/tabasics.py:859
 #: plugins/turtle_blocks_extras/turtle_blocks_extras.py:173
 #: plugins/turtle_blocks_extras/turtle_blocks_extras.py:174
 #: plugins/turtle_blocks_extras/turtle_blocks_extras.py:175
@@ -577,158 +577,160 @@ msgstr "保存数值到变量2"
 msgid "text"
 msgstr "文本"
 
-#: TurtleArt/tabasics.py:854
+#: TurtleArt/tabasics.py:860
 #: plugins/turtle_blocks_extras/turtle_blocks_extras.py:176
 msgid "string value"
 msgstr "字符串值"
 
-#: TurtleArt/tabasics.py:858
+#: TurtleArt/tabasics.py:864
 msgid "box 1"
 msgstr "盒子1"
 
-#: TurtleArt/tabasics.py:861
+#: TurtleArt/tabasics.py:867
 msgid "Variable 1 (numeric value)"
 msgstr "变量1（数值）"
 
-#: TurtleArt/tabasics.py:867
+#: TurtleArt/tabasics.py:873
 msgid "box 2"
 msgstr "盒子2"
 
-#: TurtleArt/tabasics.py:870
+#: TurtleArt/tabasics.py:876
 msgid "Variable 2 (numeric value)"
 msgstr "变量2（数值）"
 
-#: TurtleArt/tabasics.py:877 TurtleArt/tabasics.py:887
+#: TurtleArt/tabasics.py:883 TurtleArt/tabasics.py:894
 msgid "box"
 msgstr "盒子"
 
-#: TurtleArt/tabasics.py:879 TurtleArt/tabasics.py:890
+#: TurtleArt/tabasics.py:886 TurtleArt/tabasics.py:898
 msgid "my box"
 msgstr "我的盒子"
 
-#: TurtleArt/tabasics.py:881
+#: TurtleArt/tabasics.py:888
 msgid "named variable (numeric value)"
 msgstr "命名的变量（数值）"
 
-#: TurtleArt/tabasics.py:887
+#: TurtleArt/tabasics.py:894
 msgid "store in"
 msgstr "放入"
 
-#: TurtleArt/tabasics.py:887 taextras.py:337
+#: TurtleArt/tabasics.py:894 taextras.py:354
 msgid "value"
 msgstr "值"
 
-#: TurtleArt/tabasics.py:891
+#: TurtleArt/tabasics.py:899
 msgid "stores numeric value in named variable"
 msgstr "保存数值到命名的变量"
 
-#: TurtleArt/tabasics.py:899 TurtleArt/tabasics.py:901
-#: TurtleArt/tabasics.py:925 TurtleArt/tabasics.py:928
+#: TurtleArt/tabasics.py:907 TurtleArt/tabasics.py:910
+#: TurtleArt/tabasics.py:934 TurtleArt/tabasics.py:938
 msgid "action"
 msgstr "动作"
 
-#: TurtleArt/tabasics.py:903
+#: TurtleArt/tabasics.py:912
 msgid "top of nameable action stack"
 msgstr "可命名动作堆的顶部"
 
-#: TurtleArt/tabasics.py:908 TurtleArt/tabasics.py:935
+#: TurtleArt/tabasics.py:917 TurtleArt/tabasics.py:945
 msgid "action 1"
 msgstr "动作1"
 
-#: TurtleArt/tabasics.py:911
+#: TurtleArt/tabasics.py:920
 msgid "top of Action 1 stack"
 msgstr "动作堆1的顶部"
 
-#: TurtleArt/tabasics.py:916 TurtleArt/tabasics.py:944
+#: TurtleArt/tabasics.py:925 TurtleArt/tabasics.py:954
 msgid "action 2"
 msgstr "动作2"
 
-#: TurtleArt/tabasics.py:919
+#: TurtleArt/tabasics.py:928
 msgid "top of Action 2 stack"
 msgstr "动作堆2的顶部"
 
-#: TurtleArt/tabasics.py:929
+#: TurtleArt/tabasics.py:939
 msgid "invokes named action stack"
 msgstr "执行可命名动作堆"
 
-#: TurtleArt/tabasics.py:938
+#: TurtleArt/tabasics.py:948
 msgid "invokes Action 1 stack"
 msgstr "执行动作堆1"
 
-#: TurtleArt/tabasics.py:947
+#: TurtleArt/tabasics.py:957
 msgid "invokes Action 2 stack"
 msgstr "执行动作堆2"
 
-#: TurtleArt/tabasics.py:955
+#: TurtleArt/tabasics.py:965
 msgid "trash"
 msgstr "回收站"
 
-#: TurtleArt/tabasics.py:959
+#: TurtleArt/tabasics.py:969
 msgid "empty trash"
 msgstr "清空回收站"
 
-#: TurtleArt/tabasics.py:960
+#: TurtleArt/tabasics.py:970
 msgid "permanently deletes items in trash"
 msgstr "永久性地删除回收站中的项"
 
-#: TurtleArt/tabasics.py:964
+#: TurtleArt/tabasics.py:974
 msgid "restore all"
 msgstr "全部还原"
 
-#: TurtleArt/tabasics.py:965
+#: TurtleArt/tabasics.py:975
 msgid "restore all blocks from trash"
 msgstr "还原回收站中的所有积木块"
 
-#: TurtleArt/tabasics.py:969
+#: TurtleArt/tabasics.py:979
 msgid "clear all"
 msgstr "全部清除"
 
-#: TurtleArt/tabasics.py:970
+#: TurtleArt/tabasics.py:980
 msgid "move all blocks to trash"
 msgstr "将所有积木块移入回收站"
 
-#: TurtleArt/taconstants.py:250 TurtleArt/taconstants.py:272
-#: TurtleArt/taconstants.py:293 TurtleArt/taconstants.py:335
-#: TurtleArt/taconstants.py:377 TurtleArt/taconstants.py:419
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:845
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:859
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:873
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:887
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:901
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:915
+#: TurtleArt/taconstants.py:239 TurtleArt/taconstants.py:261
+#: TurtleArt/taconstants.py:282 TurtleArt/taconstants.py:324
+#: TurtleArt/taconstants.py:366 TurtleArt/taconstants.py:408
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:861
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:876
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:891
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:906
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:921
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:936
 msgid "Title"
 msgstr "标题"
 
-#: TurtleArt/talogo.py:347 TurtleArtActivity.py:383 TurtleArtActivity.py:680
-#: TurtleArtActivity.py:870
+#: TurtleArt/talogo.py:347 TurtleArt/talogo.py:362 TurtleArtActivity.py:358
+#: TurtleArtActivity.py:654 TurtleArtActivity.py:840
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:1332
 msgid "Stop turtle"
 msgstr "停止"
 
-#: TurtleArt/talogo.py:358
+#: TurtleArt/talogo.py:358 TurtleArtActivity.py:655
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:1325
 msgid "Show blocks"
 msgstr "显示积木块"
 
-#: TurtleArt/talogo.py:475
+#: TurtleArt/talogo.py:479
 msgid "did not output to"
 msgstr "没有输出到"
 
-#: TurtleArt/talogo.py:530
+#: TurtleArt/talogo.py:534
 msgid "I don't know how to"
 msgstr "我不知道怎样"
 
-#: TurtleArt/talogo.py:580
+#: TurtleArt/talogo.py:584
 msgid "doesn't like"
 msgstr "不喜欢"
 
-#: TurtleArt/talogo.py:580
+#: TurtleArt/talogo.py:584
 msgid "as input"
 msgstr "作为输入"
 
-#: TurtleArt/tapalette.py:94
+#: TurtleArt/tapalette.py:95
 msgid "displays next palette"
 msgstr "显示下一个模板"
 
-#: TurtleArt/tapalette.py:95
+#: TurtleArt/tapalette.py:96
 msgid "changes the orientation of the palette of blocks"
 msgstr "改变积木块模板的方向"
 
@@ -741,24 +743,24 @@ msgid "Save..."
 msgstr "保存..."
 
 #: TurtleArt/tautils.py:592
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:616
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:625
 msgid "click to open"
 msgstr "点击打开"
 
-#: TurtleArt/tawindow.py:899 TurtleArt/tawindow.py:900
+#: TurtleArt/tawindow.py:908 TurtleArt/tawindow.py:909
 msgid "orientation"
 msgstr "方向"
 
-#: TurtleArt/tawindow.py:910 TurtleArt/tawindow.py:1274
+#: TurtleArt/tawindow.py:919 TurtleArt/tawindow.py:1283
 msgid "next"
 msgstr "下一个"
 
-#: TurtleArt/tawindow.py:922 TurtleArt/tawindow.py:923
-#: TurtleArt/tawindow.py:1294
+#: TurtleArt/tawindow.py:931 TurtleArt/tawindow.py:932
+#: TurtleArt/tawindow.py:1303
 msgid "shift"
 msgstr "移动"
 
-#: TurtleArt/tawindow.py:3266
+#: TurtleArt/tawindow.py:3280
 msgid "image"
 msgstr "图片"
 
@@ -766,18 +768,18 @@ msgstr "图片"
 msgid "presentation"
 msgstr "演示"
 
-#: TurtleArtActivity.py:182 TurtleArtActivity.py:703 TurtleArtActivity.py:792
-#: TurtleArtActivity.py:817 turtleart.py:326
+#: TurtleArtActivity.py:182 TurtleArtActivity.py:678 TurtleArtActivity.py:767
+#: TurtleArtActivity.py:792 turtleblocks.py:332
 msgid "Save as HTML"
 msgstr "另存为HTML"
 
-#: TurtleArtActivity.py:201 TurtleArtActivity.py:704 TurtleArtActivity.py:795
-#: TurtleArtActivity.py:819 turtleart.py:328
+#: TurtleArtActivity.py:201 TurtleArtActivity.py:679 TurtleArtActivity.py:770
+#: TurtleArtActivity.py:794 turtleblocks.py:334
 msgid "Save as Logo"
 msgstr "另存为Logo"
 
-#: TurtleArtActivity.py:238 TurtleArtActivity.py:702 TurtleArtActivity.py:789
-#: TurtleArtActivity.py:814 turtleart.py:324
+#: TurtleArtActivity.py:238 TurtleArtActivity.py:677 TurtleArtActivity.py:764
+#: TurtleArtActivity.py:789 turtleblocks.py:330
 msgid "Save as image"
 msgstr "另存为图片"
 
@@ -785,171 +787,166 @@ msgstr "另存为图片"
 msgid "snapshot"
 msgstr "屏幕截图"
 
-#: TurtleArtActivity.py:254 TurtleArtActivity.py:705 TurtleArtActivity.py:798
-#: TurtleArtActivity.py:822
+#: TurtleArtActivity.py:254 TurtleArtActivity.py:680 TurtleArtActivity.py:773
+#: TurtleArtActivity.py:797
 msgid "Save snapshot"
 msgstr "保存屏幕截图"
 
-#: TurtleArtActivity.py:295 TurtleArtActivity.py:623 TurtleArtActivity.py:755
-#: turtleart.py:346
+#: TurtleArtActivity.py:295 TurtleArtActivity.py:597 TurtleArtActivity.py:730
+#: turtleblocks.py:352
 msgid "Turn off hover help"
 msgstr "关闭悬停帮助"
 
-#: TurtleArtActivity.py:301 turtleart.py:348
+#: TurtleArtActivity.py:301 turtleblocks.py:354
 msgid "Turn on hover help"
 msgstr "开启悬停帮助"
 
-#: TurtleArtActivity.py:309 turtleart.py:358
+#: TurtleArtActivity.py:309 turtleblocks.py:364
 msgid "Show palette"
 msgstr "显示模板"
 
-#: TurtleArtActivity.py:315 TurtleArtActivity.py:849 turtleart.py:360
+#: TurtleArtActivity.py:315 TurtleArtActivity.py:824 turtleblocks.py:366
 msgid "Hide palette"
 msgstr "隐藏模板"
 
-#: TurtleArtActivity.py:347
-msgid "Hide blocks"
-msgstr "隐藏积木块"
-
-#: TurtleArtActivity.py:487
+#: TurtleArtActivity.py:461
 msgid "Rescale coordinates down"
 msgstr "缩小坐标轴比例"
 
-#: TurtleArtActivity.py:491 TurtleArtActivity.py:615 TurtleArtActivity.py:751
+#: TurtleArtActivity.py:465 TurtleArtActivity.py:589 TurtleArtActivity.py:726
 msgid "Rescale coordinates up"
 msgstr "增大坐标轴比例"
 
-#: TurtleArtActivity.py:551 TurtleArtActivity.py:587 TurtleArtActivity.py:673
-#: TurtleArtActivity.py:726 turtleart.py:355
+#: TurtleArtActivity.py:525 TurtleArtActivity.py:561 TurtleArtActivity.py:647
+#: TurtleArtActivity.py:701 turtleblocks.py:361
 msgid "Edit"
 msgstr "编辑"
 
-#: TurtleArtActivity.py:556 TurtleArtActivity.py:585 TurtleArtActivity.py:674
-#: TurtleArtActivity.py:743 turtleart.py:350
+#: TurtleArtActivity.py:530 TurtleArtActivity.py:559 TurtleArtActivity.py:648
+#: TurtleArtActivity.py:718 turtleblocks.py:356
 msgid "View"
 msgstr "视图"
 
-#: TurtleArtActivity.py:583 TurtleArtActivity.py:675
+#: TurtleArtActivity.py:557 TurtleArtActivity.py:649
 msgid "Project"
 msgstr "项目"
 
-#: TurtleArtActivity.py:589 TurtleArtActivity.py:672 TurtleArtActivity.py:699
-#: TurtleArtActivity.py:701 TurtleArtActivity.py:784
+#: TurtleArtActivity.py:563 TurtleArtActivity.py:646 TurtleArtActivity.py:674
+#: TurtleArtActivity.py:676 TurtleArtActivity.py:759
 msgid "Save/Load"
 msgstr "保存/读取"
 
-#: TurtleArtActivity.py:597 TurtleArtActivity.py:727 turtleart.py:353
+#: TurtleArtActivity.py:571 TurtleArtActivity.py:702 turtleblocks.py:359
 msgid "Copy"
 msgstr "复制"
 
-#: TurtleArtActivity.py:599 TurtleArtActivity.py:728 turtleart.py:354
+#: TurtleArtActivity.py:573 TurtleArtActivity.py:703 turtleblocks.py:360
 msgid "Paste"
 msgstr "粘贴"
 
-#: TurtleArtActivity.py:601 TurtleArtActivity.py:744
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:672
+#: TurtleArtActivity.py:575 TurtleArtActivity.py:719
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:687
 msgid "Fullscreen"
 msgstr "全屏"
 
-#: TurtleArtActivity.py:603 TurtleArtActivity.py:745 turtleart.py:334
+#: TurtleArtActivity.py:577 TurtleArtActivity.py:720 turtleblocks.py:340
 msgid "Cartesian coordinates"
 msgstr "直角坐标"
 
-#: TurtleArtActivity.py:605 TurtleArtActivity.py:747 turtleart.py:336
+#: TurtleArtActivity.py:579 TurtleArtActivity.py:722 turtleblocks.py:342
 msgid "Polar coordinates"
 msgstr "极坐标"
 
-#: TurtleArtActivity.py:608 TurtleArtActivity.py:749
+#: TurtleArtActivity.py:582 TurtleArtActivity.py:724
 msgid "Metric coordinates"
 msgstr "公制坐标"
 
-#: TurtleArtActivity.py:618 TurtleArtActivity.py:753 turtleart.py:340
+#: TurtleArtActivity.py:592 TurtleArtActivity.py:728 turtleblocks.py:346
 msgid "Grow blocks"
 msgstr "增大积木块"
 
-#: TurtleArtActivity.py:620 TurtleArtActivity.py:754 turtleart.py:342
+#: TurtleArtActivity.py:594 TurtleArtActivity.py:729 turtleblocks.py:348
 msgid "Shrink blocks"
 msgstr "缩小积木块"
 
-#: TurtleArtActivity.py:646 TurtleArtActivity.py:681
+#: TurtleArtActivity.py:620 TurtleArtActivity.py:656
 msgid "Load example"
 msgstr "载入示例"
 
-#: TurtleArtActivity.py:676 TurtleArtActivity.py:860 turtleart.py:367
+#: TurtleArtActivity.py:650 TurtleArtActivity.py:830 turtleblocks.py:373
 msgid "Clean"
 msgstr "清屏"
 
-#: TurtleArtActivity.py:677 TurtleArtActivity.py:862 turtleart.py:368
+#: TurtleArtActivity.py:651 TurtleArtActivity.py:832 turtleblocks.py:374
 msgid "Run"
 msgstr "运行"
 
-#: TurtleArtActivity.py:678 TurtleArtActivity.py:864 turtleart.py:369
+#: TurtleArtActivity.py:652 TurtleArtActivity.py:834 turtleblocks.py:375
 msgid "Step"
 msgstr "单步"
 
-#: TurtleArtActivity.py:679 TurtleArtActivity.py:867 turtleart.py:370
+#: TurtleArtActivity.py:653 TurtleArtActivity.py:837 turtleblocks.py:376
 msgid "Debug"
 msgstr "调试"
 
-#: TurtleArtActivity.py:682 util/helpbutton.py:45
+#: TurtleArtActivity.py:657 util/helpbutton.py:45
 msgid "Help"
 msgstr "帮助"
 
-#: TurtleArtActivity.py:683 turtleart.py:371
+#: TurtleArtActivity.py:658 turtleblocks.py:377
 msgid "Stop"
 msgstr "停止"
 
-#: TurtleArtActivity.py:706 TurtleArtActivity.py:800 TurtleArtActivity.py:825
+#: TurtleArtActivity.py:681 TurtleArtActivity.py:775 TurtleArtActivity.py:800
 msgid "Load project"
 msgstr "加载作品"
 
-#: TurtleArtActivity.py:709 TurtleArtActivity.py:805 TurtleArtActivity.py:830
+#: TurtleArtActivity.py:684 TurtleArtActivity.py:780 TurtleArtActivity.py:805
 msgid "Load plugin"
 msgstr "加载插件"
 
-#: TurtleArtActivity.py:710 TurtleArtActivity.py:808 TurtleArtActivity.py:833
+#: TurtleArtActivity.py:685 TurtleArtActivity.py:783 TurtleArtActivity.py:808
 msgid "Load Python block"
 msgstr "载入Python积木块"
 
-#: TurtleArtActivity.py:850
+#: TurtleArtActivity.py:825
 msgid "<Ctrl>p"
 msgstr "<Ctrl>p"
 
-#: TurtleArtActivity.py:860
+#: TurtleArtActivity.py:830
 msgid "<Ctrl>e"
 msgstr "<Ctrl>e"
 
-#: TurtleArtActivity.py:862
+#: TurtleArtActivity.py:832
 msgid "<Ctrl>r"
 msgstr "<Ctrl>r"
 
-#: TurtleArtActivity.py:864
+#: TurtleArtActivity.py:834
 msgid "<Ctrl>w"
 msgstr "<Ctrl>w"
 
-#: TurtleArtActivity.py:868
+#: TurtleArtActivity.py:838
 msgid "<Ctrl>d"
 msgstr "<Ctrl>d"
 
-#: TurtleArtActivity.py:871
+#: TurtleArtActivity.py:841
 msgid "<Ctrl>s"
 msgstr "<Ctrl>s"
 
-#: TurtleArtActivity.py:995 TurtleArtActivity.py:1000
-#: TurtleArtActivity.py:1067
+#: TurtleArtActivity.py:965 TurtleArtActivity.py:970 TurtleArtActivity.py:1037
 msgid "Plugin could not be installed."
 msgstr "插件不能安装。"
 
-#: TurtleArtActivity.py:1063
+#: TurtleArtActivity.py:1033
 msgid "Please restart Turtle Art in order to use the plugin."
 msgstr "使用该插件，请重新启动龟背艺术。"
 
-#: TurtleArtActivity.py:1081
+#: TurtleArtActivity.py:1051
 #, python-format
 msgid "Plugin %s already installed."
 msgstr "插件 %s 已经被安装。"
 
-#: TurtleArtActivity.py:1082
+#: TurtleArtActivity.py:1052
 #, python-format
 msgid "Do you want to reinstall %s?"
 msgstr "想重新 %s 吗？"
@@ -1076,7 +1073,7 @@ msgstr "把沿x，y，z方向加速度放入堆中"
 
 #: plugins/audio_sensors/audio_sensors.py:82
 #: plugins/audio_sensors/audio_sensors.py:97 pysamples/grecord.py:205
-#: taextras.py:260
+#: taextras.py:281
 msgid "sound"
 msgstr "声音"
 
@@ -1366,7 +1363,7 @@ msgstr "海龟看到"
 msgid "returns the color that the turtle \"sees\""
 msgstr "返回海龟“看到”的颜色"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:373 taextras.py:283
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:373 taextras.py:299
 msgid "time"
 msgstr "时间"
 
@@ -1423,260 +1420,260 @@ msgstr "在堆为空时返回“真”"
 msgid "comment"
 msgstr "注释"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:457
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:458
 msgid "places a comment in your code"
 msgstr "在你的代码中加入注释"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:463
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:464
 msgid "print"
 msgstr "打印"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:466
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:468
 msgid "prints value in status block at bottom of the screen"
 msgstr "在位于屏幕底部的状态积木块中打印值"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:474
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:486
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:499
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:476
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:489
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:503
 msgid "Python"
 msgstr "Python"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:477
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:480
 msgid ""
 "a programmable block: used to add advanced single-variable math equations, e."
 "g., sin(x)"
 msgstr "一个可编程积木块：用于加入单变量的高级数学等式，例如sin(x)"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:489
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:493
 msgid ""
 "a programmable block: used to add advanced multi-variable math equations, e."
 "g., sqrt(x*x+y*y)"
 msgstr "一个可编程积木块：用于加入多变量的高级数学等式，例如sqrt(x*x+y*y)"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:502
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:507
 msgid ""
 "a programmable block: used to add advanced multi-variable math equations, e."
 "g., sin(x+y+z)"
 msgstr "一个可编程积木块：用于加入多变量的高级数学等式，例如sin(x+y+z)"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:513
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:528
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:543
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:519
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:535
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:550
 msgid "Python block"
 msgstr "Python积木块"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:515
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:530
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:545
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:521
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:537
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:553
 msgid "runs code found in the tamyblock.py module found in the Journal"
 msgstr "执行日志中tamyblock.py模块中的代码"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:558
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:566
 msgid "Cartesian"
 msgstr "直角坐标"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:560
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:568
 msgid "displays Cartesian coordinates"
 msgstr "显示直角坐标"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:566
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:574
 msgid "polar"
 msgstr "极坐标"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:568
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:576
 msgid "displays polar coordinates"
 msgstr "显示极坐标"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:574
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:582
 msgid "turtle"
 msgstr "海龟"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:577
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:586
 msgid "chooses which turtle to command"
 msgstr "选择由哪个海龟执行命令"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:586
 #: plugins/turtle_blocks_extras/turtle_blocks_extras.py:595
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:604
 msgid "turtle shell"
 msgstr "海龟外壳"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:588
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:596
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:597
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:605
 msgid "put a custom 'shell' on the turtle"
 msgstr "替海龟穿上一个自定义的“外壳”"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:601
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:768
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:610
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:784
 msgid "top"
 msgstr "顶部"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:603
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:612
 msgid "top of a collapsed stack"
 msgstr "折叠积木堆的顶部"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:609
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:744
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:618
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:760
 msgid "bottom"
 msgstr "底部"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:610
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:619
 msgid "bottom of a collapsible stack"
 msgstr "折叠积木堆的底部"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:618
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:627
 msgid "collapsed stack: click to open"
 msgstr "折叠积木堆：点击打开"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:627
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:636
 msgid "bottom block in a collapsed stack: click to open"
 msgstr "折叠积木堆中底部的积木块：点击打开"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:634
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:637
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:646
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:643
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:647
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:657
 msgid "top of stack"
 msgstr "积木堆顶部"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:635
 #: plugins/turtle_blocks_extras/turtle_blocks_extras.py:644
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:654
 msgid "label"
 msgstr "标签"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:643
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:653
 msgid "top of a collapsible stack"
 msgstr "折叠积木堆的顶部"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:652
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:663
 msgid "Palette of presentation templates"
 msgstr "演示模板"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:658
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:670
 msgid "hide blocks"
 msgstr "隐藏积木块"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:660
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:672
 msgid "declutters canvas by hiding blocks"
 msgstr "隐藏积木块使画布整洁一些"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:665
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:679
 msgid "show blocks"
 msgstr "显示积木块"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:667
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:681
 msgid "restores hidden blocks"
 msgstr "恢复隐藏的积木块"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:674
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:689
 msgid "hides the Sugar toolbars"
 msgstr "隐藏Sugar工具栏"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:683
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:698
 msgid "list"
 msgstr "列表"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:686
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:916
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:702
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:937
 msgid "presentation bulleted list"
 msgstr "演示项目列表"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:694
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:917
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:710
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:939
 msgid "presentation template: list of bullets"
 msgstr "演示模板：项目列表"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:701
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:861
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:717
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:879
 msgid "presentation template: select Journal object (no description)"
 msgstr "演示模板：选择日志中的物品（无描述）"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:708
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:847
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:724
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:864
 msgid "presentation template: select Journal object (with description)"
 msgstr "演示模板：选择日志中的物品（有描述）"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:715
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:903
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:731
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:924
 msgid "presentation template: select four Journal objects"
 msgstr "演示模板：选择四件日志中的物品"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:722
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:729
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:875
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:889
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:738
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:745
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:894
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:909
 msgid "presentation template: select two Journal objects"
 msgstr "演示模板：选择两件日志中的物品"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:739
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:755
 msgid "xcor of left of screen"
 msgstr "屏幕左方的X座标"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:747
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:763
 msgid "ycor of bottom of screen"
 msgstr "屏幕下方的Y座标"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:752 taextras.py:205
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:768 taextras.py:223
 msgid "width"
 msgstr "宽度"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:755
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:771
 msgid "the canvas width"
 msgstr "画布宽度"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:763
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:779
 msgid "xcor of right of screen"
 msgstr "屏幕右方的X座标"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:771
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:787
 msgid "ycor of top of screen"
 msgstr "屏幕上方的Y座标"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:776 taextras.py:200
-#: taextras.py:206
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:792 taextras.py:218
+#: taextras.py:224
 msgid "height"
 msgstr "高度"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:779
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:795
 msgid "the canvas height"
 msgstr "画布高度"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:786
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:802
 msgid "title x"
 msgstr "标题X坐标"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:795
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:811
 msgid "title y"
 msgstr "标题Y坐标"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:804
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:820
 msgid "left x"
 msgstr "左侧X坐标"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:813
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:829
 msgid "top y"
 msgstr "顶部Y坐标"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:822
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:838
 msgid "right x"
 msgstr "右侧X坐标"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:831
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:847
 msgid "bottom y"
 msgstr "底部Y坐标"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:846
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:860
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:862
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:877
 msgid "presentation 1x1"
 msgstr "以 1x1 方式演示"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:874
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:892
 msgid "presentation 2x1"
 msgstr "以 2x1 方式演示"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:888
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:907
 msgid "presentation 1x2"
 msgstr "以 1x2 方式演示"
 
-#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:902
+#: plugins/turtle_blocks_extras/turtle_blocks_extras.py:922
 msgid "presentation 2x2"
 msgstr "以 2x2 方式演示"
 
@@ -1736,709 +1733,777 @@ msgstr "澳大利亚货币模板"
 msgid "Palette of Guaranies"
 msgstr "瓜拉尼模板"
 
+#: taextras.py:53
+msgid "Palette of Uruguayan Pesos"
+msgstr "乌拉圭比索模板"
+
 #. TRANS: Butia is the Arduino Robot Project from Uruguay
 #. (http://www.fing.edu.uy/inco/proyectos/butia/)
-#: taextras.py:58
+#: taextras.py:59
 msgid "TurtleBots"
 msgstr "海龟机器人"
 
-#: taextras.py:59
+#: taextras.py:60
 msgid "adjust LED intensity between 0 and 255"
 msgstr "调整指示灯的光强度（0到255之间）"
 
-#: taextras.py:60
+#: taextras.py:61
 msgid "returns the object gray level as a number between 0 and 1023"
 msgstr "返回对象灰度（0到1023之间）"
 
-#: taextras.py:61
+#: taextras.py:62
 msgid "returns 1 when the button is press and 0 otherwise"
 msgstr "当按钮按下返回1，否则为0"
 
-#: taextras.py:62
+#: taextras.py:63
 msgid "returns the ambient light level as a number between 0 and 1023"
 msgstr "返回环境光亮度（0到1023之间）"
 
-#: taextras.py:63
+#: taextras.py:64
 msgid "returns the ambient temperature as a number between 0 and 255"
 msgstr "返回环境温度（0到255之间）"
 
-#: taextras.py:64
+#: taextras.py:65
 msgid ""
 "returns the distance from the object in front of the sensor as a number "
 "between 0 and 255"
 msgstr "返回传感器前物体的距离（0到255之间）"
 
-#: taextras.py:66
+#: taextras.py:67
 msgid "returns 0 or 1 depending on the sensor inclination"
 msgstr "返回传感器方位角（0或者1）"
 
-#: taextras.py:67
+#: taextras.py:68
 msgid "returns 1 when the sensors detects a magnetic field, 0 otherwise"
 msgstr "当传感器检测到磁场返回1，否则为0"
 
-#: taextras.py:68
+#: taextras.py:69
 msgid "switches from 0 to 1, the frequency depends on the vibration"
 msgstr "从0切换到1，频率取决于振动"
 
-#: taextras.py:69
+#: taextras.py:70
 msgid "LED"
 msgstr "指示灯"
 
-#: taextras.py:70
+#: taextras.py:71
 msgid "button"
 msgstr "按钮"
 
-#: taextras.py:71
+#: taextras.py:72
 msgid "grayscale"
 msgstr "灰度"
 
-#: taextras.py:72
+#: taextras.py:73
 msgid "ambient light"
 msgstr "环境光"
 
-#: taextras.py:73
+#: taextras.py:74
 msgid "temperature"
 msgstr "温度"
 
-#: taextras.py:74 taextras.py:244
+#: taextras.py:75 taextras.py:262
 msgid "distance"
 msgstr "距离"
 
-#: taextras.py:75 taextras.py:241
+#: taextras.py:76 taextras.py:259
 msgid "tilt"
 msgstr "斜度"
 
-#: taextras.py:76
+#: taextras.py:77
 msgid "magnetic induction"
 msgstr "磁场感应"
 
-#: taextras.py:77
+#: taextras.py:78
 msgid "vibration"
 msgstr "振动"
 
-#: taextras.py:78
+#: taextras.py:79
 msgid "Butia Robot"
 msgstr "布迪机器人"
 
-#: taextras.py:79
+#: taextras.py:80
 msgid "delay Butia"
 msgstr "布迪延迟"
 
-#: taextras.py:80
+#: taextras.py:81
 msgid "wait for argument seconds"
 msgstr "等待参数所示秒"
 
 #. TRANS: This string is shorthand for "battery charge of Butia"
-#: taextras.py:82
+#: taextras.py:83
 msgid "battery charge Butia"
 msgstr "布迪充电"
 
-#: taextras.py:83
+#: taextras.py:84
 msgid "returns the battery charge as a number between 0 and 255"
 msgstr "返回电池充电度（0到255之间）"
 
 #. TRANS: This string is shorthand for "speed of Butia"
-#: taextras.py:85
+#: taextras.py:86
 msgid "speed Butia"
 msgstr "布迪加速"
 
-#: taextras.py:86
+#: taextras.py:87
 msgid ""
 "set the speed of the Butia motors as a value between 0 and 1023, passed by "
 "an argument"
 msgstr "通过传递参数设置布迪的电机速度（0到1023之间）"
 
 #. TRANS: This string is shorthand for "move Butia forward"
-#: taextras.py:89
+#: taextras.py:90
 msgid "forward Butia"
 msgstr "布迪前进"
 
-#: taextras.py:90
+#: taextras.py:91
 msgid "move the Butia robot forward"
 msgstr "向前移动布迪机器人"
 
-#: taextras.py:91
+#: taextras.py:92
 msgid "move the Butia robot forward a predefined distance"
 msgstr "布迪机器人向前移动一个预先设定的距离"
 
 #. TRANS: This string is shorthand for "move Butia backward"
-#: taextras.py:93
+#: taextras.py:94
 msgid "backward Butia"
 msgstr "布迪后退"
 
-#: taextras.py:94
+#: taextras.py:95
 msgid "move the Butia robot backward"
 msgstr "先后移动布迪机器人"
 
-#: taextras.py:95
+#: taextras.py:96
 msgid "move the Butia robot backward a predefined distance"
 msgstr "布迪机器人向后移动一个预先设定的距离"
 
 #. TRANS: This string is shorthand for "turn Butia left"
-#: taextras.py:97
+#: taextras.py:98
 msgid "left Butia"
 msgstr "布迪左转"
 
-#: taextras.py:98
+#: taextras.py:99
 msgid "turn the Butia robot at left"
 msgstr "向左转动布迪机器人"
 
 #. TRANS: This string is shorthand for "turn Butia right"
-#: taextras.py:100
+#: taextras.py:101
 msgid "right Butia"
 msgstr "布迪右转"
 
-#: taextras.py:101
+#: taextras.py:102
 msgid "turn the Butia robot at right"
 msgstr "向右转动布迪机器人"
 
-#: taextras.py:102
+#: taextras.py:103
 msgid "turn Butia"
 msgstr "转动布迪"
 
-#: taextras.py:103
+#: taextras.py:104
 msgid "turn the Butia robot x degrees"
 msgstr "将布迪机器人转动X角度"
 
-#: taextras.py:104
+#: taextras.py:105
 msgid "stop Butia"
 msgstr "停止布迪"
 
-#: taextras.py:105
+#: taextras.py:106
 msgid "stop the Butia robot"
 msgstr "停止布迪机器人"
 
-#: taextras.py:106
+#: taextras.py:107
 msgid "display Butia"
 msgstr "显示布迪"
 
 #. TRANS: this string must contain only ASCII characters.
 #. The len must be 32 characters/spaces.
-#: taextras.py:109
+#: taextras.py:110
 msgid "Hello World    Butia            "
 msgstr "Hello World    Butia            "
 
-#: taextras.py:110
+#: taextras.py:111
 msgid "print text in Butia robot 32-character ASCII display"
 msgstr "在布迪机器人32字节ASCII显示屏中打印文本"
 
-#: taextras.py:111
+#: taextras.py:112
 msgid "Butia"
 msgstr "布迪"
 
-#: taextras.py:115
+#: taextras.py:116
 msgid "The camera was not found."
 msgstr "没有找到相机。"
 
-#: taextras.py:116
+#: taextras.py:117
 msgid "Error on the initialization of the camera."
 msgstr "初始化相机出错。"
 
-#: taextras.py:117
+#: taextras.py:118
 msgid "FollowMe"
 msgstr "跟我来"
 
-#: taextras.py:118
-msgid "follow a RGB color"
-msgstr "接一个RGB颜色"
-
 #: taextras.py:119
-msgid "set a threshold for a RGB color"
-msgstr "为RGB颜色设置一个阀门"
+msgid "follow"
+msgstr "跟随"
 
 #: taextras.py:120
-msgid "follow a turtle color"
-msgstr "接一个海龟颜色"
+msgid "R"
+msgstr "R"
 
 #: taextras.py:121
-msgid "set the minimal number of pixels to follow"
-msgstr "设置要连接的最小像素数目"
+msgid "G"
+msgstr "G"
 
 #: taextras.py:122
-msgid "calibrate"
-msgstr "校准"
+msgid "B"
+msgstr "B"
 
 #: taextras.py:123
-msgid "calibrate a color to follow"
-msgstr "校准要连接的颜色"
+msgid "follow a RGB color"
+msgstr "接一个RGB颜色"
 
 #: taextras.py:124
+msgid "threshold"
+msgstr "阀门"
+
+#: taextras.py:125
+msgid "set a threshold for a RGB color"
+msgstr "为RGB颜色设置一个阀门"
+
+#: taextras.py:126
+msgid "save calibration 1"
+msgstr "保存校准1"
+
+#: taextras.py:127
+msgid "stores a calibration in calibration 1"
+msgstr "存储校准值到校准1"
+
+#: taextras.py:128
+msgid "save calibration 2"
+msgstr "保存校准2"
+
+#: taextras.py:129
+msgid "stores a calibration in calibration 2"
+msgstr "存储校准值到校准2"
+
+#: taextras.py:130
+msgid "calibration"
+msgstr "校准"
+
+#: taextras.py:131
+msgid "stores a personalized calibration"
+msgstr "存储个性化校准"
+
+#: taextras.py:132
+msgid "calibration 1"
+msgstr "校准1"
+
+#: taextras.py:133
+msgid "return calibration 1"
+msgstr "返回校准1"
+
+#: taextras.py:134
+msgid "calibration 2"
+msgstr "校准2"
+
+#: taextras.py:135
+msgid "return calibration 2"
+msgstr "返回校准2"
+
+#: taextras.py:136
+msgid "return a personalized calibration"
+msgstr "返回个性化校准"
+
+#: taextras.py:137
 msgid "x position"
 msgstr "x 位置"
 
-#: taextras.py:125
+#: taextras.py:138
 msgid "return x position"
 msgstr "返回 x 位置"
 
-#: taextras.py:126
+#: taextras.py:139
 msgid "y position"
 msgstr "y 位置"
 
-#: taextras.py:127
+#: taextras.py:140
 msgid "return y position"
 msgstr "返回 y 位置"
 
-#: taextras.py:128
+#: taextras.py:141
 msgid "pixels"
 msgstr "像素"
 
-#: taextras.py:129
+#: taextras.py:142
 msgid "return the number of pixels of the biggest blob"
 msgstr "返回最大块的像素数目"
 
-#: taextras.py:133
+#: taextras.py:143
+msgid "follow a color or calibration"
+msgstr "跟随颜色或校准"
+
+#: taextras.py:144
+msgid "minimum pixels"
+msgstr "最小值像素"
+
+#: taextras.py:145
+msgid "set the minimal number of pixels to follow"
+msgstr "设置要跟随的最小像素数目"
+
+#: taextras.py:146
+msgid "empty calibration"
+msgstr "空校准"
+
+#: taextras.py:147
+msgid "error in string convertion"
+msgstr "字符串转换错误"
+
+#: taextras.py:151
 msgid "SumBot"
 msgstr "桑博"
 
-#: taextras.py:134
+#: taextras.py:152
 msgid "speed SumBot"
 msgstr "加速桑博"
 
-#: taextras.py:135
+#: taextras.py:153
 msgid "submit the speed to the SumBot"
 msgstr "提交桑博的速度"
 
-#: taextras.py:136
+#: taextras.py:154
 msgid "set the default speed for the movement commands"
 msgstr "设置移动命令的默认速度"
 
 #. TRANS: This string is shorthand for "move SumBot forward"
-#: taextras.py:138
+#: taextras.py:156
 msgid "forward SumBot"
 msgstr "向前桑博"
 
-#: taextras.py:139
+#: taextras.py:157
 msgid "move SumBot forward"
 msgstr "移动桑博向前"
 
 #. TRANS: This string is shorthand for "move SumBot backward"
-#: taextras.py:141
+#: taextras.py:159
 msgid "backward SumBot"
 msgstr "向后桑博"
 
-#: taextras.py:142
+#: taextras.py:160
 msgid "move SumBot backward"
 msgstr "移动桑博向后"
 
-#: taextras.py:143
+#: taextras.py:161
 msgid "stop SumBot"
 msgstr "停止桑博"
 
-#: taextras.py:144
+#: taextras.py:162
 msgid "stop the SumBot"
 msgstr "让桑博停下来"
 
 #. TRANS: This string is shorthand for "turn SumBot left"
-#: taextras.py:146
+#: taextras.py:164
 msgid "left SumBot"
 msgstr "左转桑博"
 
-#: taextras.py:147
+#: taextras.py:165
 msgid "turn left the SumBot"
 msgstr "让桑博向左转"
 
 #. TRANS: This string is shorthand for "move SumBot right"
-#: taextras.py:149
+#: taextras.py:167
 msgid "right SumBot"
 msgstr "右转桑博"
 
-#: taextras.py:150
+#: taextras.py:168
 msgid "turn right the SumBot"
 msgstr "让桑博向右转"
 
-#: taextras.py:151
+#: taextras.py:169
 msgid "angle to center"
 msgstr "与中心的角度"
 
 #. TRANS: dohyo is the playing field
-#: taextras.py:153
+#: taextras.py:171
 msgid "get the angle to the center of the dohyo"
 msgstr "得到相对圆环中心的角度"
 
-#: taextras.py:154
+#: taextras.py:172
 msgid "angle to Enemy"
 msgstr "与敌人的角度"
 
-#: taextras.py:155
+#: taextras.py:173
 msgid "get the angle to the Enemy"
 msgstr "得到相对敌人的角度"
 
 #. TRANS: This string is shorthand for "x coordinate of SumBot"
-#: taextras.py:157
+#: taextras.py:175
 msgid "x coor. SumBot"
 msgstr "桑博x坐标"
 
-#: taextras.py:158
+#: taextras.py:176
 msgid "get the x coordinate of the SumBot"
 msgstr "得到桑博的x坐标"
 
 #. TRANS: This string is shorthand for "y coordinate of SumBot"
-#: taextras.py:160
+#: taextras.py:178
 msgid "y coor. SumBot"
 msgstr "桑博y坐标"
 
-#: taextras.py:161
+#: taextras.py:179
 msgid "get the y coordinate of the SumBot"
 msgstr "得到桑博的y坐标"
 
 #. TRANS: This string is shorthand for "x coordinate of SumBot's enemy"
-#: taextras.py:163
+#: taextras.py:181
 msgid "x coor. Enemy"
 msgstr "敌人x坐标"
 
-#: taextras.py:164
+#: taextras.py:182
 msgid "get the x coordinate of the Enemy"
 msgstr "得到敌人的x坐标"
 
 #. TRANS: This string is shorthand for "y coordinate of SumBot's enemy"
-#: taextras.py:166
+#: taextras.py:184
 msgid "y coor. Enemy"
 msgstr "敌人y坐标"
 
-#: taextras.py:167
+#: taextras.py:185
 msgid "get the y coordinate of the Enemy"
 msgstr "得到敌人的y坐标"
 
 #. TRANS: This string is shorthand for "rotation of SumBot"
-#: taextras.py:169
+#: taextras.py:187
 msgid "rotation SumBot"
 msgstr "转动桑博"
 
-#: taextras.py:170
+#: taextras.py:188
 msgid "get the rotation of the Sumbot"
 msgstr "得到桑博的转动"
 
 #. TRANS: This string is shorthand for "rotation of SumBot's enemy"
-#: taextras.py:172
+#: taextras.py:190
 msgid "rotation Enemy"
 msgstr "转动敌人"
 
-#: taextras.py:173
+#: taextras.py:191
 msgid "get the rotation of the Enemy"
 msgstr "得到敌人的转动"
 
-#: taextras.py:174
+#: taextras.py:192
 msgid "distance to center"
 msgstr "与中心的距离"
 
 #. TRANS: dohyo is the playing field
-#: taextras.py:176
+#: taextras.py:194
 msgid "get the distance to the center of the dohyo"
 msgstr "得到与圆环中心的距离"
 
-#: taextras.py:177
+#: taextras.py:195
 msgid "distance to Enemy"
 msgstr "与敌人的距离"
 
-#: taextras.py:178
+#: taextras.py:196
 msgid "get the distance to the Enemy"
 msgstr "得到与敌人的距离"
 
-#: taextras.py:179
+#: taextras.py:197
 msgid "update information"
 msgstr "更新信息"
 
-#: taextras.py:180
+#: taextras.py:198
 msgid "update information from the server"
 msgstr "从服务器更新信息"
 
 #. TRANS: Please use similar terms to those used in the Physics Activity
-#: taextras.py:185
+#: taextras.py:203
 msgid "Palette of physics blocks"
 msgstr "物理块模板"
 
-#: taextras.py:186
+#: taextras.py:204
 msgid "start polygon"
 msgstr "定义多边形"
 
-#: taextras.py:187
+#: taextras.py:205
 msgid "Begin defining a new polygon based on the current Turtle xy position."
 msgstr "根据当前海龟xy方向的位置开始定义新的多边形。"
 
-#: taextras.py:189
+#: taextras.py:207
 msgid "add point"
 msgstr "添加点"
 
-#: taextras.py:190
+#: taextras.py:208
 msgid ""
 "Add a new point to the current polygon based on the current Turtle xy "
 "position."
 msgstr "根据当前海龟xy方向的位置添加新的点到当前的多边形。"
 
-#: taextras.py:192
+#: taextras.py:210
 msgid "end polygon"
 msgstr "完成多边形"
 
-#: taextras.py:193
+#: taextras.py:211
 msgid "Define a new polygon."
 msgstr "定义一个新的多边形。"
 
-#: taextras.py:194
+#: taextras.py:212
 msgid "end filled polygon"
 msgstr "结束填充多边形的绘制"
 
-#: taextras.py:195
+#: taextras.py:213
 msgid "Not a simple polygon"
 msgstr "不是一个简单多边形"
 
-#: taextras.py:196
+#: taextras.py:214
 msgid "Define a new filled polygon."
 msgstr "定义一个新的填充多边形。"
 
-#: taextras.py:197
+#: taextras.py:215
 msgid "triangle"
 msgstr "三角形"
 
 #. TRANS: base of a triangle
-#: taextras.py:199
+#: taextras.py:217
 msgid "base"
 msgstr "基地"
 
-#: taextras.py:201
+#: taextras.py:219
 msgid "Add a triangle object to the project."
 msgstr "添加一个三角形对象到项目。"
 
-#: taextras.py:202
+#: taextras.py:220
 msgid "circle"
 msgstr "圆形"
 
-#: taextras.py:203
+#: taextras.py:221
 msgid "Add a circle object to the project."
 msgstr "添加一个圆形对象到项目。"
 
-#: taextras.py:204
+#: taextras.py:222
 msgid "rectangle"
 msgstr "长方形"
 
-#: taextras.py:207
+#: taextras.py:225
 msgid "Add a rectangle object to the project."
 msgstr "添加一个长方形对象到项目。"
 
-#: taextras.py:208
+#: taextras.py:226
 msgid "reset"
 msgstr "重置"
 
-#: taextras.py:209
+#: taextras.py:227
 msgid "Reset the project; clear the object list."
 msgstr "重置项目;清除对象列表。"
 
-#: taextras.py:210
+#: taextras.py:228
 msgid "motor"
 msgstr "电机"
 
-#: taextras.py:211
+#: taextras.py:229
 msgid "torque"
 msgstr "转矩"
 
-#: taextras.py:212
+#: taextras.py:230
 msgid "speed"
 msgstr "速度"
 
-#: taextras.py:213
+#: taextras.py:231
 msgid ""
 "Motor torque and speed range from 0 (off) to positive numbers; motor is "
 "placed on the most recent object created."
 msgstr "电机转矩和速度范围是从0（关）到正数，电机放置在最近被创建的对象上。"
 
-#: taextras.py:215 taextras.py:333
+#: taextras.py:233 taextras.py:350
 msgid "pin"
 msgstr "图钉"
 
-#: taextras.py:216
+#: taextras.py:234
 msgid "Pin an object down so that it cannot fall."
 msgstr "用图钉固定一个对象，防止掉落。"
 
-#: taextras.py:217
+#: taextras.py:235
 msgid "joint"
 msgstr "联合"
 
-#: taextras.py:220
+#: taextras.py:238
 msgid ""
 "Join two objects together (the most recent object created and the object at "
 "point x, y)."
 msgstr "把两个对象连接到一起（在点x，y处最近创建的对象）。"
 
-#: taextras.py:222
+#: taextras.py:240
 msgid "Save the project to the Journal as a Physics activity."
 msgstr "当作一个物理活动保存该项目到日志。"
 
-#: taextras.py:223
+#: taextras.py:241
 msgid "density"
 msgstr "密度"
 
-#: taextras.py:224
+#: taextras.py:242
 msgid ""
 "Set the density property for objects (density can be any positive number)."
 msgstr "设置对象的密度属性（密度可以是任何正数）。"
 
-#: taextras.py:226
+#: taextras.py:244
 msgid "friction"
 msgstr "摩擦"
 
-#: taextras.py:227
+#: taextras.py:245
 msgid ""
 "Set the friction property for objects (value from 0 to 1, where 0 turns "
 "friction off and 1 is strong friction)."
 msgstr "设置对象的摩擦系数（值从0到1，0无摩擦，1强摩擦）。"
 
 #. TRANS: bounciness is restitution
-#: taextras.py:230
+#: taextras.py:248
 msgid "bounciness"
 msgstr "弹力"
 
-#: taextras.py:231
+#: taextras.py:249
 msgid ""
 "Set the bounciness property for objects (a value from 0 to 1, where 0 means "
 "no bounce and 1 is very bouncy)."
 msgstr "设置对象的弹性系数（值从0到1，0无弹性，1强弹性）。"
 
-#: taextras.py:233
+#: taextras.py:251
 msgid "dynamic"
 msgstr "动态"
 
-#: taextras.py:234
+#: taextras.py:252
 msgid ""
 "If dynamic = 1, the object can move; if dynamic = 0, it is fixed in position."
 msgstr "动态值为1时对象可以移动；为0时位置是固定的。"
 
 #. TRANS: WeDo is a robotics product of the LEGO company
-#: taextras.py:240
+#: taextras.py:258
 msgid "Palette of WeDo blocks"
 msgstr "乐高WeDo模板"
 
-#: taextras.py:242
+#: taextras.py:260
 msgid ""
 "tilt sensor output: (-1 == no tilt, 0 == tilt forward, 3 == tilt back, 1 == "
 "tilt left, 2 == tilt right)"
 msgstr "倾斜传感器输出：（-1 ==没有倾斜，0 ==向前倾斜，3 ==向后倾斜，1 ==向左倾斜，2 ==向左倾斜）"
 
 #. TRANS: This string is shorthand for "output of the distance sensor"
-#: taextras.py:246
+#: taextras.py:264
 msgid "distance sensor output"
 msgstr "距离传感器输出"
 
-#: taextras.py:247
+#: taextras.py:265
 msgid "Motor A"
 msgstr "电机 A"
 
-#: taextras.py:248
+#: taextras.py:266
 msgid "returns the current value of Motor A"
 msgstr "返回电机A的当前值"
 
-#: taextras.py:249
+#: taextras.py:267
 msgid "Motor B"
 msgstr "电机B"
 
-#: taextras.py:250
+#: taextras.py:268
 msgid "returns the current value of Motor B"
 msgstr "返回电机B的当前值"
 
-#: taextras.py:251
+#: taextras.py:269
 msgid "set the value for Motor A"
 msgstr "设置电机A的值"
 
-#: taextras.py:252
+#: taextras.py:270
 msgid "set the value for Motor B"
 msgstr "设置电机B的值"
 
 #. TRANS: Lego NXT is a robotics product of the LEGO company
-#: taextras.py:257
+#: taextras.py:275
 msgid "Palette of LEGO NXT blocks of motors"
 msgstr "乐高NXT马达部件模板"
 
-#: taextras.py:258
+#: taextras.py:276
 msgid "Palette of LEGO NXT blocks of sensors"
 msgstr "乐高NXT传感器部件模板"
 
-#: taextras.py:261
-msgid "sound sensor"
-msgstr "声音传感器"
-
-#: taextras.py:262
+#: taextras.py:277
 msgid "touch"
 msgstr "触摸"
 
-#: taextras.py:263
+#: taextras.py:278
 msgid "ultrasonic"
 msgstr "超声波"
 
-#: taextras.py:265
+#: taextras.py:280
 msgid "light"
 msgstr "灯光"
 
-#: taextras.py:266
+#: taextras.py:282
 msgid "PORT A"
 msgstr "端口 A"
 
-#: taextras.py:267
+#: taextras.py:283
 msgid "PORT B"
 msgstr "端口 B"
 
-#: taextras.py:268
+#: taextras.py:284
 msgid "PORT C"
 msgstr "端口 C"
 
-#: taextras.py:269
+#: taextras.py:285
 msgid "PORT 1"
 msgstr "端口 1"
 
-#: taextras.py:270
+#: taextras.py:286
 msgid "PORT 2"
 msgstr "端口 2"
 
-#: taextras.py:271
+#: taextras.py:287
 msgid "PORT 3"
 msgstr "端口 3"
 
-#: taextras.py:272
+#: taextras.py:288
 msgid "PORT 4"
 msgstr "端口 4"
 
-#: taextras.py:273
+#: taextras.py:289
 msgid "Please check the connection with the brick."
 msgstr "请检查与积木的连接。"
 
-#: taextras.py:274
+#: taextras.py:290
 msgid "Please check the port."
 msgstr "请检查端口。"
 
-#: taextras.py:275
+#: taextras.py:291
 msgid "The value of power must be between -127 to 127."
 msgstr "功率值必须在-127到127之间。"
 
-#: taextras.py:276
+#: taextras.py:292
 msgid "An error has occurred: check all connections and try to reconnect."
 msgstr "发生了一个错误：请检查所有连接并试图重新连接。"
 
-#: taextras.py:277
+#: taextras.py:293
 msgid "NXT found"
 msgstr "找到 NXT"
 
-#: taextras.py:278
+#: taextras.py:294
 msgid "NXT not found"
 msgstr "没找到 NXT"
 
-#: taextras.py:279
+#: taextras.py:295
 msgid "refresh NXT"
 msgstr "刷新 NXT"
 
-#: taextras.py:280
+#: taextras.py:296
 msgid "Search for a connected NXT brick."
 msgstr "搜索已连接的NXT积木。"
 
-#: taextras.py:281
+#: taextras.py:297
 msgid "play tone"
 msgstr "播放音调"
 
-#: taextras.py:282
-msgid "freq"
+#: taextras.py:298
+msgid "frequency"
 msgstr "频率"
 
-#: taextras.py:284
-msgid "Play a tone at freq for time."
-msgstr "在某个时间频率播放音调"
+#: taextras.py:300
+msgid "Play a tone at frequency for time."
+msgstr "以时间频率播放音调。"
 
-#: taextras.py:285
+#: taextras.py:301
 msgid ""
 "turn motor\n"
 "rotations"
@@ -2446,315 +2511,344 @@ msgstr ""
 "转动电机\n"
 "旋转"
 
-#: taextras.py:286
+#: taextras.py:302
 msgid "port"
 msgstr "端口"
 
-#: taextras.py:287
+#: taextras.py:303
 msgid "power"
 msgstr "电源"
 
-#: taextras.py:288
+#: taextras.py:304
 msgid "turn a motor"
 msgstr "转动电机"
 
-#: taextras.py:289
+#: taextras.py:305
 msgid ""
-"sync motors\n"
+"synchronize motors\n"
 "steering"
 msgstr ""
 "同步电机\n"
-"转向"
+"转向装置"
 
-#: taextras.py:290
+#: taextras.py:306
 msgid "rotations"
 msgstr "旋转"
 
-#: taextras.py:291
-msgid "synchronize two motors"
-msgstr "同步两个电机"
+#: taextras.py:307
+msgid "synchronize two motors connected in PORT B and PORT C"
+msgstr "同步连接在端口B和端口C的两个电机"
 
-#: taextras.py:292
+#: taextras.py:308
 msgid "PORT A of the brick"
 msgstr "积木的端口 A"
 
-#: taextras.py:293
+#: taextras.py:309
 msgid "PORT B of the brick"
 msgstr "积木的端口 B"
 
-#: taextras.py:294
+#: taextras.py:310
 msgid "PORT C of the brick"
 msgstr "积木的端口 C"
 
-#: taextras.py:295
+#: taextras.py:311
 msgid "start motor"
 msgstr "启动电机"
 
-#: taextras.py:296
+#: taextras.py:312
 msgid "Run a motor forever."
 msgstr "持续运行电机。"
 
-#: taextras.py:297
+#: taextras.py:313
 msgid "brake motor"
 msgstr "制动电机"
 
-#: taextras.py:298
+#: taextras.py:314
 msgid "Stop a specified motor."
 msgstr "停止指定的电机。"
 
-#: taextras.py:299
-msgid "PORT 1 of the brick"
-msgstr "积木的端口 1"
+#: taextras.py:315
+msgid "reset motor"
+msgstr "复位电机"
 
-#: taextras.py:300
-msgid "color sensor"
-msgstr "颜色传感器"
+#: taextras.py:316
+msgid "Reset the motor counter."
+msgstr "复位电机计数器。"
 
-#: taextras.py:301
-msgid "light sensor"
-msgstr "灯光传感器"
+#: taextras.py:317
+msgid "motor position"
+msgstr "电机位置"
 
-#: taextras.py:302
-msgid "PORT 2 of the brick"
-msgstr "积木的端口 2"
+#: taextras.py:318
+msgid "Get the motor position."
+msgstr "得到电机位置。"
 
-#: taextras.py:303
-msgid "touch sensor"
-msgstr "触控传感器"
+#: taextras.py:319
+msgid "PORT 1 of the brick"
+msgstr "积木的端口 1"
 
-#: taextras.py:304
-msgid "distance sensor"
-msgstr "距离传感器"
+#: taextras.py:320
+msgid "PORT 2 of the brick"
+msgstr "积木的端口 2"
 
-#: taextras.py:305
+#: taextras.py:321
 msgid "PORT 3 of the brick"
 msgstr "积木的端口 3"
 
-#: taextras.py:306
+#: taextras.py:322
+msgid "PORT 4 of the brick"
+msgstr "积木的端口 4"
+
+#: taextras.py:323
 msgid "read"
 msgstr "读取"
 
-#: taextras.py:307
+#: taextras.py:324
 msgid "sensor"
 msgstr "传感器"
 
-#: taextras.py:308
+#: taextras.py:325
 msgid "Read sensor output."
 msgstr "读取传感器输出。"
 
-#: taextras.py:309
-msgid "PORT 4 of the brick"
-msgstr "积木的端口 4"
+#: taextras.py:326
+msgid "color sensor"
+msgstr "颜色传感器"
 
-#: taextras.py:310
-msgid "set light"
-msgstr "设置灯"
+#: taextras.py:327
+msgid "light sensor"
+msgstr "灯光传感器"
 
-#: taextras.py:311
-msgid "Set color sensor light."
-msgstr "设置颜色感应灯。"
+#: taextras.py:328
+msgid "touch sensor"
+msgstr "触控传感器"
 
-#: taextras.py:312
-msgid "reset motor"
-msgstr "复位电机"
+#: taextras.py:329
+msgid "distance sensor"
+msgstr "距离传感器"
 
-#: taextras.py:313
-msgid "Reset the motor counter."
-msgstr "复位电机计数器。"
+#: taextras.py:330
+msgid "sound sensor"
+msgstr "声音传感器"
 
-#: taextras.py:314
-msgid "motor position"
-msgstr "电机位置"
+#: taextras.py:331
+msgid "set light"
+msgstr "设置灯"
 
-#: taextras.py:315
-msgid "Get the motor position."
-msgstr "得到电机位置。"
+#: taextras.py:332
+msgid "Set color sensor light."
+msgstr "设置颜色感应灯。"
 
 #. TRANS: Arduino plugin to control an Arduino board
-#: taextras.py:320
+#: taextras.py:337
 msgid "Palette of Arduino blocks"
 msgstr "Arduino模板"
 
-#: taextras.py:321
+#: taextras.py:338
 msgid "HIGH"
 msgstr "高"
 
-#: taextras.py:322
+#: taextras.py:339
 msgid "LOW"
 msgstr "低"
 
-#: taextras.py:323
+#: taextras.py:340
 msgid "INPUT"
 msgstr "输入"
 
-#: taextras.py:324
+#: taextras.py:341
 msgid "OUTPUT"
 msgstr "输出"
 
 #. TRANS: PWM is pulse-width modulation
-#: taextras.py:326
+#: taextras.py:343
 msgid "PWM"
 msgstr "调速"
 
-#: taextras.py:327
+#: taextras.py:344
 msgid "SERVO"
 msgstr "伺服"
 
-#: taextras.py:328
+#: taextras.py:345
 msgid "ERROR: Check the Arduino and the number of port."
 msgstr "错误：请检查的Arduino和端口号。"
 
-#: taextras.py:329
+#: taextras.py:346
 msgid "ERROR: Value must be a number from 0 to 255."
 msgstr "错误：数值必须从0到255。"
 
-#: taextras.py:330
+#: taextras.py:347
 msgid "ERROR: Value must be either HIGH or LOW."
 msgstr "错误：值必须是高或低。"
 
-#: taextras.py:331
+#: taextras.py:348
 msgid "ERROR: The mode must be either INPUT, OUTPUT, PWM or SERVO."
 msgstr "错误：模式必须是输入，输出，调速或伺服。"
 
-#: taextras.py:332
+#: taextras.py:349
 msgid "pin mode"
 msgstr "引脚模式"
 
-#: taextras.py:334
+#: taextras.py:351
 msgid "mode"
 msgstr "模式"
 
-#: taextras.py:335
+#: taextras.py:352
 msgid "Select the pin function (INPUT, OUTPUT, PWM, SERVO)."
 msgstr "选择引脚功能（输入，输出，调速，伺服）。"
 
-#: taextras.py:336
+#: taextras.py:353
 msgid "analog write"
 msgstr "模拟写"
 
-#: taextras.py:338
+#: taextras.py:355
 msgid "Write analog value in specified port."
 msgstr "写模拟值到指定的端口。"
 
-#: taextras.py:339
+#: taextras.py:356
 msgid "analog read"
 msgstr "模拟读"
 
-#: taextras.py:340
+#: taextras.py:357
 msgid ""
 "Read value from analog port. Value may be between 0 and 1023. Use Vref to "
 "determine voltage. For USB, volt=((read)*5)/1024) approximately."
 msgstr "从模拟端口读值。值可能是0到1023之间。使用Vref来确定电压。对于USB，电压大约等于 ((read)*5)/1024。"
 
-#: taextras.py:342
+#: taextras.py:359
 msgid "digital write"
 msgstr "数字写"
 
-#: taextras.py:343
+#: taextras.py:360
 msgid "Write digital value to specified port."
 msgstr "写数字值到指定的端口。"
 
-#: taextras.py:344
+#: taextras.py:361
 msgid "digital read"
 msgstr "数字读"
 
-#: taextras.py:345
+#: taextras.py:362
 msgid "Read value from digital port."
 msgstr "从数字端口读取值。"
 
-#: taextras.py:346
+#: taextras.py:363
 msgid "Set HIGH value for digital port."
 msgstr "设置数字端口为高值。"
 
-#: taextras.py:347
+#: taextras.py:364
 msgid "Configure Arduino port for digital input."
 msgstr "配置用于数字输入的Arduino端口。"
 
-#: taextras.py:348
+#: taextras.py:365
 msgid "Configure Arduino port to drive a servo."
 msgstr "配置用于驱动伺服电机的Arduino端口。"
 
-#: taextras.py:349
+#: taextras.py:366
 msgid "Set LOW value for digital port."
 msgstr "设置数字端口为低值。"
 
-#: taextras.py:350
+#: taextras.py:367
 msgid "Configure Arduino port for digital output."
 msgstr "配置用于数字输出的Arduino端口。"
 
-#: taextras.py:351
+#: taextras.py:368
 msgid "Configure Arduino port for PWM (pulse-width modulation)."
 msgstr "配置用于调速（脉宽调制）的Arduino端口"
 
-#: turtleart.py:69
+#: turtleblocks.py:79
 msgid "usage is"
 msgstr "用法是"
 
-#: turtleart.py:228
+#: turtleblocks.py:231
 msgid "No option action:"
 msgstr "无选项的动作："
 
-#: turtleart.py:240
+#: turtleblocks.py:246
 msgid "File not found"
 msgstr "文件未找到"
 
-#: turtleart.py:264
+#: turtleblocks.py:270
 #, python-format
 msgid "Configuration directory not writable: %s"
 msgstr "配置不可写的目录：%s"
 
-#: turtleart.py:320
+#: turtleblocks.py:326
 msgid "New"
 msgstr "新建"
 
-#: turtleart.py:321
+#: turtleblocks.py:327
 msgid "Open"
 msgstr "打开"
 
-#: turtleart.py:322
+#: turtleblocks.py:328
 msgid "Save"
 msgstr "保存"
 
-#: turtleart.py:323
+#: turtleblocks.py:329
 msgid "Save as"
 msgstr "另存为"
 
-#: turtleart.py:330
+#: turtleblocks.py:336
 msgid "Quit"
 msgstr "退出"
 
-#: turtleart.py:331
+#: turtleblocks.py:337
 msgid "File"
 msgstr "文件"
 
-#: turtleart.py:338
+#: turtleblocks.py:344
 msgid "Rescale coordinates"
 msgstr "重新调整坐标"
 
-#: turtleart.py:344
+#: turtleblocks.py:350
 msgid "Reset block size"
 msgstr "复位块大小"
 
-#: turtleart.py:362
+#: turtleblocks.py:368
 msgid "Show/hide blocks"
 msgstr "显示/隐藏块"
 
-#: turtleart.py:364
+#: turtleblocks.py:370
 msgid "Tools"
 msgstr "工具"
 
-#: turtleart.py:372
+#: turtleblocks.py:378
 msgid "Turtle"
 msgstr "海龟"
 
-#: turtleart.py:406
+#: turtleblocks.py:412
 msgid "You have unsaved work. Would you like to save before quitting?"
 msgstr "你有尚未保存的工作。想退出前保存吗？"
 
-#: turtleart.py:407
+#: turtleblocks.py:413
 msgid "Save project?"
 msgstr "保存项目？"
 
+#~ msgid "Hide blocks"
+#~ msgstr "隐藏积木块"
+
+#~ msgid "follow a turtle color"
+#~ msgstr "接一个海龟颜色"
+
+#~ msgid "calibrate"
+#~ msgstr "校准"
+
+#~ msgid "calibrate a color to follow"
+#~ msgstr "校准要连接的颜色"
+
+#~ msgid "freq"
+#~ msgstr "频率"
+
+#~ msgid ""
+#~ "sync motors\n"
+#~ "steering"
+#~ msgstr ""
+#~ "同步电机\n"
+#~ "转向"
+
+#~ msgid "synchronize two motors"
+#~ msgstr "同步两个电机"
+
 #~ msgid "<Ctrl>b"
 #~ msgstr "<Ctrl>b"
 
--
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