thiopheneWiktionary 原文英美构词拆解thiothio-前缀phenephene词干thio-(chemistry) containing sulfur, especially a compound in which oxygen has been replaced by this element词源说明From thio- + phene ("benzene").释义名词noun1(organic chemistry) Any of a class of aromatic heterocyclic compounds containing a ring of four carbon atoms and a sulfur atom; especially the simplest one, C4H4S.同族词