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ethene

noun
/ˈeθiːn/
/ˈeθiːn/
(also ethylene)
[uncountable]
(symbol C2H4)
(chemistry化学)
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  1. a gas that is present in coal, crude oil and natural gas乙烯:煤,原油和天然气中存在的气体
    Word Originmid 19th cent.: from ether + -ene.
ethene
Gases: acetylene, ammonia, argon...

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