名词
中文翻译：背心
同义词：
['shirt', 'blouse', 'tunic']
例句：
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1. She wore a red vest over her white shirt.
她穿着一件红色的背心覆盖在白色的衬衫上。
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2. The man was wearing a vest when he entered the room.
当这个男人进入房间时，他穿着一件背心。
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3. She put on her vest and went out for a walk.
她穿上她的背心出门散步。