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氟
fú

fluorine

Origin Definitions Defs Strokes Stroke Words Sentences Sents
  • created sense approved 氟 · fú · fluorine 2026/03/04

    氟

    fú

    fluorine

    fluorine (chemistry)

    牙膏里通常含有氟,可以预防龋齿。

    noun

    created sense Mar 4, 2026, 02:25 AM

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