cpcyclopentadienyl环: ring; hoop戊: the fifth of the ten Heavenl ...二烯: diene基: base; foundation亚环戊二烯基: cyclopentadienylidene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:环戊二烯基,即可在微信中查询翻译