| 释义 |
radarBrE /ˈreɪdɑː(r)/NAmE /ˈreɪdɑːr/ noun [U] a system that uses radio waves to find the position and movement of objects, for example planes and ships, when they cannot be seen 雷达◆They located the ship by radar. 他们通过雷达确定了船只的位置。◆a radar screen 雷达显示屏 ➡ compare sonar  ●below/under the ˈradarused to say that people are not aware of sth 在视线以外的；未引起注意的◆Experts say a lot of corporate crime stays under the radar. 专家说许多公司犯罪还没有为人所注意到。●on/off the ˈradar screenused to say that people's attention is on or not on sth 受/不受人关注◆The issue of terrorism is back on the radar screen. 恐怖主义问题重新受人关注。 |