名词
中文翻译：小背心
同义词：
['undershirt', 'blouse', 'knickers', 'knickers', 'underpants']
例句：
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1. She wore a cavetto to the party.
她穿着一件小背心去参加派对。
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2. He put on his cavetto and went to bed.
他穿上他的小背心上床睡觉了。
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3. The cavetto was made of cotton and had a button-up front.
这件小背心是用棉布做的，前面有一个纽扣。