动词
中文翻译：解开
同义词：
['unfasten', 'untie', 'unknot']
例句：
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1. I need to untie theknot in my shoelace before Ican walk.
我需要解开鞋带的结才能走路。
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2. The children were untying the ropes that held the swingtogether.
孩子们正在解开把秋千连接在一起的绳子。
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3. She untied herscarf and put it around her neck.
她解开了她的围巾，把它围在脖子上。