动词
中文翻译：解开
同义词：
['unbuckle', 'untie']
例句：
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1.He unlaced his shoes and stepped out into the rain.
他解开了鞋带，走出雨中。
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2.She unlaced her shoe to go for a walk in the park.
她解开鞋带去公园散步。
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3.The driver unlaced the seatbelt and helped the passenger get in.
司机解开安全带，帮助乘客上车。