名词
中文翻译：牙齿磨光
同义词：
['teeth grinding', 'dental grinding']
例句：
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1. He has been grinding his teeth at night because of the stress.
他因为压力而晚上磨牙。
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2. The dentist advised her to grind her teeth regularly to prevent cavities.
牙医建议她定期磨牙以防止蛀牙。
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3. During the night, she would often grind her teeth in her sleep due to anxiety.
在夜间，她经常在睡眠中磨牙，因为她焦虑。