re·triev·al /rɪˈtriːvəl/ noun [uncountableU] 1 technicalTD the process of getting back information stored on a computer system 〔计算机系统信息的〕检索 a new system that should speed up information retrieval 能加速信息检索的新系统
2. GETthe act of getting back something you have lost or left somewhere 找回;取回