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单词 fluorine
释义  flu·o·rine /ˈflʊəriːn $ ˈflʊr-/ noun [uncountable]  HCCa chemical substance that is usually in the form of a poisonous pale yellow gas. It is a chemical element: symbol F 氟〔一种化学元素，符号为Ｆ〕Examples from the Corpusfluorine• Like the rate of decrease in nitrogen, the rates of increase in fluorine and uranium depend strongly on local factors.• Thus, the content of fluorine and uranium in buried bone gradually increases, and can be measured in the laboratory.• Yet another uses fluorine as the reactant.Origin fluorine (1800-1900) Modern Latin fluor; → FLUORESCENTflu·o·rine nounChineseSyllable  in substance chemical that Corpus is a usually
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更新时间：2026/9/21 3:08:55