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单词 halon
释义

halon

noun
/ˈheɪlɒn/
/ˈheɪlɑːn/
(chemistry)
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  1. a gas that is made up of carbon and one or more halogens, used especially to stop fires, but now known to damage the ozone layer
    Word Origin1960s: from halogen + -on.
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更新时间:2024/11/15 10:10:07