柯林斯詞典sealing wax 1. N-UNCOUNT Sealing wax is a hard, usually red, substance that melts quickly and is used for putting seals on documents or letters. 封蠟 返回 sealing wax劍橋詞典a type of wax that is used for making seals because it melts easily and becomes hard quickly 封蠟，火漆 返回 sealing wax