dichlorocarbeneWiktionary 原文英美构词拆解didi-前缀chlorochloro-前缀carbenecarbene词干di-Two. · Double, twice the quantity.chloro-green in color. · (organic chemistry) Containing chlorine.词源说明From di- + chloro- + carbene.释义名词noun1(organic chemistry) A common carbene with chemical formula CCl2.