[计] 撤消键入

blood typing───[免疫]血型检定；血型分类（等于bloodgrouping）

video taping───n.进行录像；v.将…录在录像带上；录制（videotape的ing形式）

audiotyping───n.录音打字

linotyping───n.整行铸造排字机；莱诺铸排机

serotyping───n.血清型；[免疫]血清学分型；v.按血清型分类；决定…的血清型（serotype的ing形式）

undocking───n.出坞；驶离码头；v.使（航天器）分离；出坞；（使）驶离码头（undock的现在分词）

undoing───n.毁灭；取消；毁灭的原因；vt.解开；取消（undo的ing形式）

undoubling───vt.使松开；使伸直；使不再成倍；vi.展开；伸直；不再成倍

undoubting───不怀疑的

If, for example, a user's last operation was to type in the word design, the Undo function on the menu says Undo Typing design.───例如，如果用户的最近一次操作是输入单词“设计”，菜单中的撤销功能提示撤销对单词“设计”的输入。

I never had the copy feature erase a piece before, unless I accidentally hit some key I didn't mean to hit, but I would think the undo typing feature would work.───我以前从未被复制功能抹除掉一篇文字，除非我不小心击中某些按键，但我认为，撤销键入功能是有用的。

Users initiate an undo by shaking the device, which displays an alert that allows users to undo what they just typed, redo previously undone typing, or cancel the undo.───用户摇晃设备启动撤销，接着设备将显示警告，允许用户撤销他们刚刚输入的内容，重做之前撤销的内容，或取消撤销。

If, for example, a user's last operation was to type in the word design, the Undo function on the menu says Undo Typing design.

I never had the copy feature erase a piece before, unless I accidentally hit some key I didn't mean to hit, but I would think the undo typing feature would work.