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单词 diolefin
释义 di·olefin
noun
also di·olefine \(ˈ)dī+\
(-s)
Etymology: International Scientific Vocabulary di- + olefin
: any of a series of aliphatic hydrocarbons CnH2n-2 (as allene, butadiene, isoprene) containing two double bonds — called also alkadiene, diene
di·olefinic \(|)dī+\ adjective
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