名词
中文翻译：氟化物
同义词：
['fluoride', 'fluorine']
例句：
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1. Thewater in the lake is rich in fluoride, which can be harmful tohumans.
湖里的水富含氟，对人类有害。
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2.The dentist recommended a fluoride treatmentfor my teeth.
牙医建议我接受氟治疗。
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3. The fluoride in the toothpaste helps to strengthen the enamel and prevent cavities.
牙膏中的氟有助于强化珐琅质并预防龋齿。