polysulfideWiktionary 原文英美构词拆解polypoly-前缀sulfidesulfide词干poly-many · polymer词源说明From poly- + sulfide.释义名词noun1(chemistry) Any compound of general formula RSnR having a chain of more than two sulfur atoms; any derivative of a polysulfane.同族词派生词 3hydropolysulfide·sodium polysulfide·sodium polysulphide