benzodithiopheneWiktionary 原文英美构词拆解benzobenzo-前缀didi-前缀thiophenethiophene词干benzo-(organic chemistry) Related to benzene or benzoic acid.di-Two. · Double, twice the quantity.词源说明From benzo- + di- + thiophene.释义名词noun1(organic chemistry) Any of several isomeric tricyclic heterocycles consisting of two thiophene rings fused to one of benzene同族词相关词 1benzothiophene