fluorideKK [ˋflʊˏraɪd] /ˈflʊˌɹaɪd/發音名詞1氟化物、氟Most toothpaste sold here contains fluoride to prevent cavities.這裡販售的牙膏大多含氟,可以預防蛀牙。2氟化物化學Fluoride is a compound formed when fluorine bonds with another element.氟化物是氟與其他元素結合後形成的化合物。