名词
中文翻译：牙齿的咬合部分
同义词：
['dental', 'dental structure', 'tooth contact']
例句：
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1. Thedentist examined her teeth and found a cavity.
牙医检查了她的牙齿，发现有蛀牙。
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2. The child's teeth were crooked and needed braces to correct them.
孩子的牙齿不齐，需要矫正器来纠正。
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3.The scientist studied the structure of the human mouth and discovered that it plays an important role in speech.
科学家研究了人类口腔的结构，并发现它对言语起着重要作用。