dry run片语KK [draɪ rʌn] /dɹaɪ ɹʌn/发音片语1预演、排练、试演We did a dry run of the presentation the night before.我们在前一晚把简报预演了一次。2试运行、空跑测试电脑Always do a dry run before deleting files in bulk.批量删除档案前一定要先做一次试运行。3演习、模拟演练军事The pilots completed a dry run without live ammunition.飞行员完成了一次不带实弹的演习。用这个字练口说→