[transitive] sponge sb / yourself / sth (down)to wash someone / yourself / something with a wet cloth orsponge(用湿布或海绵)擦洗,揩拭◆She sponged her hot face.她用湿海绵擦了擦她那滚烫的脸。◆He sponged down the tables after the last dinner customers left.最后一批吃晚饭的顾客离开后,他用湿毛巾抹桌子。