Home/dupiondupion/doo-pee-ohn/US // ˈdu piˌoʊn //UK // (ˈdjuːpɪən, djuˈpiːɒn) //牯牛降,牯岭,牯牛街,牯儒Definitionsn.名词 noun1: a cocoon formed jointly by two silkworms.: douppioni. Level 4Browse all words →