[ 第三人称单数 unbuttons 现在分词 unbuttoning 过去式 unbuttoned 过去分词 unbuttoned ]
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"unbutton the shirt"
以上来源于: WordNet
V-T If you unbutton an item of clothing, you undo the buttons fastening it. 解开…的钮扣
She had begun to unbutton her blouse.
她开始解她衬衫的钮扣。
give vent to
词根： unbutton
unbuttoned 钮扣解开的；无拘束的；放松的
youdao
If you unbutton your collar, remove your tie.
如果你解开领扣，就把领带摘下来。
Doctor: Unbutton your shirt, please.
医生：解开你的上衣，请。
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