biscyclopentadienyl vanadium双: two; twin; both; dual环: ring; hoop戊: the fifth of the ten Heavenl ...二烯: diene基: base; foundation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:双环戊二烯基钒，即可在微信中查询翻译
