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单词 fluoride
释义 fluor·ideBrE /ˈflɔːraɪd/NAmE /ˈflɔːraɪd/BrE also /ˈflʊəraɪd/NAmE also /ˈflʊraɪd/ nouna chemical containing fluorine that protects teeth from decay and is often added to toothpaste and sometimes to drinking water 氟化物
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