adj.可密封的； 双语释义：n.(名词)[C] 海豹 animal with flippers that lives near and in the sea and eats fish[C] 印章,印鉴,图章 symbols or words pressed into wax, clay, paper etc. to show that sth is approved or official[C] 封条,封蜡 part of a lid or opening that must be broken to