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 tolylene 添加此单词到默认生词本
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    Tolylene \Tol"yl*ene\, n. (Chem.)
    A hydrocarbon radical, {C6H4.(CH2)2}, regarded as
    characteristic of certain toluene derivatives.

    1. No one was injured in the accident late Saturday, but 22 cars derailed, including the tankers carrying propylene oxide and tolylene diisocyanate, poisonous explosive chemicals used in making dyes and solvents.
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