单词	fluorine
释义	fluorineflu‧o‧rine /ˈflʊəriːn $ ˈflʊr-/ noun [uncountable] Word Origin WORD ORIGINfluorine Origin: 1800-1900 Modern Latin fluor; ➔ FLUORESCENT Examples EXAMPLES FROM THE CORPUS 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. a chemical substance that is usually in the form of a poisonous pale yellow gas. It is a chemical element: symbol F
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