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氟
fú

fluorine

Definitions Defs Origin Strokes Stroke Words Sentences Sents

1 sentence

  1. 牙膏里通常含有氟,可以预防龋齿。

    yá​gāo lǐ tōng​cháng hán​yǒu fú, kě​yǐ yù​fáng qǔ​chǐ.

    Toothpaste usually contains fluoride to prevent cavities.

    Source: Dong Chinese Dictionary