名词
中文翻译：下第二磨牙
同义词：
['lower second molar', 'lower second molar tooth']
例句：
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1. Hehad a lower second molar extracted recently.
他最近拔了一颗下第二磨牙。
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2.The dentist advised him to get his lower second molar checked regularly.
牙医建议他定期检查下第二磨牙。
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3.Her lower second molar was causing her pain.
她的下第二磨牙在给她带来疼痛。