名词
中文翻译：真牙
同义词：
['true tooth', 'natural tooth']
例句：
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1.She had a genuine toothache and needed to see a dentist.
她得了真牙痛，需要去看牙医。
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2.The dentist advised her to get a false tooth before the surgery.
牙医建议她在手术前先戴一副假牙。
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3.He was so embarrassed that he couldn't even smile with his genuine teeth.
他非常尴尬，连带着他的真牙都笑不出来。