rack up片语动词KK [ræk ʌp] /ɹæk ʌp/发音片语动词1累积、积累、拿下可拆开The team racked up five straight wins before the break.球队在休赛前连续拿下五场胜利。2欠下、背上可拆开He racked up thousands of dollars in credit card debt.他欠下了数千美元的信用卡债。3击败、打垮口语Our side really racked up the visitors in the second half.我们这边在下半场把客队打得很惨。4摆球撞球Rack up the balls and we'll play one more game.把球摆好,我们再打一局。用这个字练口说→