n.海豹( seal的名词复数 )；批准；（火漆）封印；印章v.密封( seal的第三人称单数 )；决定；确定；封上（信封） 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]