名词
中文翻译：氟化物
同义词：
['fluoride', 'fluorine例句：1. The water inthe lake is rich in fluoride', 'making it suitable for swimming.（湖里的水富含氟，适合游泳。）']
例句：
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1. The water inthe lake is rich in fluoride, making it suitable for swimming.
湖里的水富含氟，适合游泳。
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2. The dentist advisedme to avoid using toothpaste thatcontains fluoride.
牙医建议我避免使用含氟的牙膏。
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3. Fluorideis an essential mineral for teeth and bones.
氟是牙齿和骨骼所必需的矿物质。