英语词汇back up怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	back up
释义	back up 1 (of vehicles) form into a queue due to congestion （车辆）堵塞： the traffic began to back up. 交通开始堵塞。 2 (of running water) accumulate behind an obstruction （流水）积聚。 See main entry:back
随便看	sacrilegious sacrilegiously sacring sacring bell sacrist sacristan sacristy sacro- sacroiliac sacrosanct sacrosanctity sacrum sacré bleu SACW sad SAD Sadat SADC Saddam Hussein sadden sadder saddest saddish saddle saddleback

英汉双解词典包含131075条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。