Caps Lock
[计]大小写字母转换键;
Caps lock 是 Capitals lock的简写，为大小写锁定键，键盘一个键位，为大小写切换之用。但主要用于连续输入若干个大写字母。
双语例句：
1.October 22nd,2002, Internet users declare this day as the official Caps Lock Day.
2002年的10月22日，互联网用户宣布此日为官方的“大写锁定日”。
2.Hit Caps Lock. If you don't want to see the edges of the brush you can switch to precise mode easily by having Caps lock on.
如果你不想在用笔刷时看到它的轮廓，按下大写锁就能轻松转将画笔的光标换到精确模式。