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单词 fluorine
释义 fluor·ineBrE /ˈflɔːriːn/NAmE /ˈflɔːriːn/BrE also /ˈflʊəriːn/NAmE also /ˈflʊriːn/ noun [U] (symbol F) a chemical element. Fluorine is a poisonous pale yellow gas and is very reactive
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