Home/polysulfidepolysulfide/pol-ee-suhl-fahyd/US // ˌpɒl iˈsʌl faɪd //多硫化物,聚硫化合物,聚硫酸盐,多硫Definitionsn.名词 noun1 Chemistry.: a sulfide whose molecules contain two or more atoms of sulfur.Level 5Browse all words →