名词
中文翻译：牙刷
同义词：
['toothpick', 'dentalbrush', 'floss', 'mouthrinse']
例句：
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1. I brush myteeth twice a day to keep them healthy.
我每天早晚刷牙，保持牙齿健康。
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2.She uses a toothbrush with soft bristles for sensitive teeth.
她使用软毛刷子来照顾敏感的牙齿。
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3. The dentist recommended me to use a new toothbrush every six months.
牙医建议我每六个月更换一次牙刷。