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单词 freon
释义 freon/ˈfri:ɒn/n. propr. any of a group of halogenated hydrocarbons containing fluorine, chlorine, and sometimes bromine, used in aerosols, refrigerants, etc. (see also 另见 CFC)[商标]氟利昂(用作致冷剂及推进剂)
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