名词
中文翻译：蛀牙窝
同义词：
['cavity', 'cavity in the tooth', 'dental cavity例句：1. He had a cavity filled with a filling material.（他有一个用填充材料填充的龋洞。）']
例句：
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1. He had a cavity filled with a filling material.
他有一个用填充材料填充的龋洞。
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2.The dentist advised her to have a cavity checked regularly.
牙医建议她定期检查龋洞。
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3.She was afraid of getting a cavity because she didn't brush her teeth regularly.
她害怕得龋齿，因为她不经常刷牙。