英语词汇olefin怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	olefin
释义	N5933420olefinSpoken.0Fiction.0Magazine.13Newspaper.1Academic.6 olefin /ˈəʊlɪfɪn/ (亦作olefine) noun Chemistry another term for ALKENE 【化】同ALKENE. 派生词 olefinic adjective 词源 mid 19th cent.: from French oléfiant 'oil-forming' (with reference to oily ethylene dichloride).
随便看	penn'orth Pennsylvania Pennsylvania Dutch Pennsylvanian -penny penny penny ante penny arcade penny black penny bun pennycress penny dreadful penny-farthing penny loafer penny-pincher penny-pinching penny plain penny post pennyroyal penny share pennyweight penny whistle penny wise penny wise and pound foolish pennywort

英汉双解词典包含131075条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

olefin