pindexpolysulfide./pol-ee-suhl-fahyd/US // ˌpɒl iˈsʌl faɪd //多硫化物,聚硫化合物,聚硫酸盐,多硫Definitionsn.noun · 名词1. Chemistry.›a sulfide whose molecules contain two or more atoms of sulfur.Level 5More words in p →