tetracyclopentadienyl uranium四环: tetranuclear; tetranucleated ...戊: the fifth of the ten Heavenl ...二烯: diene合: ge,a unit of dry measure for ...铀: uranium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:四环戊二烯合铀，即可在微信中查询翻译
