| 单词 | radar |
| 释义 | radar nounadjective | verb + radar | radar + noun | preposition | phrases adjective➤enemy, police敌方雷达；警方雷达➤airborne, ground, ground-based机载／地面／陆基雷达➤long-range远程雷达verb + radar➤be equipped with配备雷达radar + noun➤operator雷达操作员▸➤station, system雷达站；雷达系统➤antenna, detector, equipment, instrument, receiver, scanner, transmitter雷达天线／探测器／装备／装置／接收机／扫描仪／发射机▸➤screen雷达荧光屏▸➤beam, signal雷达波束／信号➤image雷达影像preposition➤by radar通过雷达◆navigation by radar通过雷达导航➤on radar用雷达◆the submarine is impossible to detect on radar.雷达不可能探测到这种潜艇。phrases➤off the radar, on the radar不在／在雷达的观测范围之内；不引人／引人注目◆the aircraft suddenly went off the radar.飞机突然从雷达显示屏上消失了。◆he's barely on the radar of most movie-goers. (figurative) 大多数常看电影的人几乎很少关注他。 radar /reɪdɑː(r)/ noun ●below/under the radar (screen)if something is below/under the radar, people are not aware of it 不为人知的；在视线以外●on/off the radar (screen)used to say that people are aware or not aware of sth, or are thinking or not thinking about it 受／不受人关注；在／不在考虑中◆this sale was not even on our radar. 我们对这次销售压根一无所知。◆gold is coming back onto investors' radar screens. 黄金重新进入了投资者的视线。☞ radarradar/ˈreɪdɑ:(r) ||; ˈredɑr/noun [u] a system that uses radio waves for finding the position of moving objects, for example ships and planes 雷达: ◇this plane is hard to detect by radar. 这种飞机雷达很难发现。 ☞compare sonar. 与sonar比较。 ra·dar /`redɑr; ˈreɪdɑː/n [c,u]a method of finding the position of things such as planes and ships by sending out radio waves, or the piece of equipment that does this 雷达 |
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