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首页英语词典ethyleneethylene英英释意

ethylene

英 ['eθɪliːn; -θ(ə)l-] 美['ɛθɪlin]

英英释义实用场景例句

n. 乙烯

英英释意

1. a flammable colorless gaseous alkene; obtained from petroleum and natural gas and used in manufacturing many other chemicals; sometimes used as an anesthetic