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undo

US [ʌnˈdu]
UK [ʌnˈduː]
  • v.解开;取消;打开;拆开
  • Web撤销;撤消;复原
Past Tense:undid  Past Participle:undone  Simple Present:undoes  Present Participle:undoing  
undo
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v.
1.
~ sth
打开;解开;拆开to open sth that is fastened, tied or wrapped
to undo a button/knot/zip, etc.
解开纽扣、解开绳结、拉开拉锁等
to undo a jacket/shirt, etc.
解开上衣、衬衫等
I undid the package and took out the books.
我打开包裹取出书来。
2.
~ sth
消除,取消,废止(某事的影响)to cancel the effect of sth
He undid most of the good work of the previous manager.
他把前任经理的大部分功绩都毁掉了。
It's not too late to try and undo some of the damage .
想办法补救部分损失还为时不晚。
UNDO(= a command on a computer that cancels the previous action)
撤销(计算机的还原指令)
3.
[usupass]
~ sb/sth
打败;挫败to make sb/sth fail
The team was undone by the speed and strength of their opponents.
这个队伍被对手的速度和力量打败了。

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
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