dihydrothiopheneWiktionary 原文英美构词拆解didi-前缀hydrohydro-前缀thiophenethiophene词干di-Two. · Double, twice the quantity.hydro-water · liquid词源说明From di- + hydro- + thiophene.释义名词noun1(organic chemistry) An unsaturated, five-membered heterocycle containing four carbon atoms, one sulfur atom and one double bond; any derivative of this compound同族词相关词 1thiophene