氟 fú fluorine Definitions Defs Origin Strokes Stroke Words Sentences Sents 2 sentences 我的供水中含有足够的氟吗? wǒde gōngshuǐ zhōng hányǒu zúgòu de fú ma? Is there enough fluoride in my water supply? Source: CCMatrix询问你的牙医是否可以从额外的氟化物中获益。 xúnwèn nǐ de yáyī shìfǒu kěyǐ cóng éwài de fúhuàwù zhōng huò yì. Ask your dentist if you could benefit from additional fluoride. Source: CCMatrix