动词
中文翻译：删除
同义词：
['cancel', 'erase', 'discard', 'eliminate例句：1. I need to undid the button on my shirt before going out.（我需要去外面之前把衬衫上的扣子解开。）']
例句：
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1. I need to undid the button on my shirt before going out.
我需要去外面之前把衬衫上的扣子解开。
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2. The company decided to undid its previous policy and adopt a new one.
公司决定撤销之前的政策，采用一个新的。
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3.After the meeting, we undid all the changes made during the discussion.
会议结束后，我们撤销了讨论期间所做的所有更改。