diphenylguanidineWiktionary 原文英美构词拆解diphenyldiphenyl词干guanidineguanidine词干词源说明From diphenyl + guanidine.释义名词noun1(organic chemistry) An odorless, whitish, crystalline powder, C13H13N3, commonly used in the vulcanization of rubbers.同族词相关词 1triphenylguanidine