柯林斯詞典punching bag (punching bags) 1. N-COUNT [美國英語] →see punchbag 返回 punching bag劍橋詞典a leather bag filled with air , hung from a frame or attached to a stand and used by boxers for training or exercise （懸掛在空中供練習(xí)拳擊用的）吊袋，拳擊梨球 返回 punching bag