名词
中文翻译：牙齿
同义词：
['crooked teeth', 'misaligned teeth']
例句：
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1. She had a crooked tooth that needed to be fixed.
她有一颗需要矫正的歪牙。
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2. The dentist advised her to get her teeth checked regularly.
牙医建议她定期检查牙齿。
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3. He was embarrassed by his crooked teeth and tried to hide them behind his hand.
他的歪牙让他感到尴尬，他试图用手遮住它们。