fluorine
/ˈflʊ(ə)ɹˌin 名词 C2中文： 氟
- The chemical element (symbol F) with an atomic number of 9. It is the lightest of the halogens, a pale yellow-green, highly reactive gas that attacks all metals. · an octahedron of fluorines
- An atom of this element.
复数 fluorines
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