isoprinemethyl butane异: different戊: the fifth of the ten Heavenl ...二烯: diene聚异戊二烯: polyisoprene类异戊二烯: isoprenoid下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:异戊二烯,即可在微信中查询翻译