按着这个键，移动游标经过行中的每个字符，就会切换遇到的每个字母字符的大小写。

Holding down the key rolls over each character in the line, flipping the case of any alpha characters the editor comes across.

youdao

改变字母大小写不过是按一下Shift或者Caps Lock键的功夫，但很少有设计师好好利用了这一技巧的潜能。

As in uppercase and lowercase. Changing case requires nothing more than pressing the Shift or Caps Lock key, and yet so few designers take advantage of this technique's potential.

youdao

在vi中，可以切换游标下的字母字符的大小写，方法是按escape，然后按波浪号键(~)。

You can switch the case of the alpha character underneath your cursor in vi the tilde key (~).

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