sleeveKK [ˋsliv] /ˈsliv/名詞1袖子、衣袖He rolled up his sleeves before washing the dishes.他洗碗前把袖子捲了起來。2套子、封套The record came in a plain cardboard sleeve.那張唱片裝在一個樸素的紙板封套裡。3套管、襯套機械The worn sleeve inside the pump needs replacing.泵浦裡磨損的套管需要更換。