| 单词 | covert surveillance |
| 释义 | covert surveillance Judging by the exhibition, it is in the field of covert surveillance that science has made its major contribution. Times, Sunday Times (2007) They include a small number of special forces troops who have been conducting covert surveillance and calling in air strikes. The Sun (2014) It's unfortunate this place was designed to thwart covert surveillance. C B GREENFIELD - A LITTLE MADNESS (2002) |
| 随便看 |
英语词典包含147115条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。