dicarbeneWiktionary 原文英美构词拆解didi-前缀carbenecarbene词干di-Two. · Double, twice the quantity.词源说明From di- + carbene.释义名词noun1(organic chemistry) A compound containing two carbenes, having the general formula RC:RC:R同族词派生词 1phenylenedicarbene相关词 2diradical·dinitrene