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isoprene

noun
/ˈaɪsəpriːn/
/ˈaɪsəpriːn/
[uncountable] (chemistry化学)
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  1. a liquid hydrocarbon obtained from petroleum that is used to make artificial rubber. Isoprene is also found in natural rubber.异戊二烯(用于制造合成橡胶)
    Word Originmid 19th cent.: apparently from iso- ‘equal’ + pr(opyl)ene.

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