形容词
中文翻译：口腔的
同义词：
['oral', 'lingual', 'labial']
例句：
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1.The dentist examined my mouth and found a cavity.
牙医检查了我的口腔，发现有龋洞。
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2.The patient was advised to brush his teeth twice a day.
病人被建议每天刷牙两次。
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3. The child's buccal teeth were stained from the juice.
孩子的颊齿因为果汁而染色。