Radar Position Radio Noun Aircraft N ˈreɪdɑː(R ˈreɪdɑːr
Radar is a system that uses radio signals or sonar to detect the position or speed of objects like aircraft or ships, especially when they are not visible.
[N-VAR 可变名词]雷达;无线电定位装置Radar is a way of discovering the position or speed of objects such as aircraft or ships when they cannot be seen, by using radio signals.
[oft N n]
Pilots complained that the radars in the Mirages malfunctioned during conditions of high humidity...
飞行员抱怨说在高湿度条件下,“幻影”战斗机上的雷达出现了故障。
The aircraft was on a flight from Milan when it disappeared from radar screens.
飞机是在从米兰出发的飞行途中从雷达屏上消失的。
Oxford
radar/ˈreɪdɑː(r); NAmEˈreɪdɑːr/noun[uncountable ]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
IDIOMSbelow/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。☞more at
bubble
v.radarradarsradar/ˈreɪdɑː(r); NAmEˈreɪdɑːr/
LDC
radarra‧dar /ˈreɪdɑː $ -ɑːr/ ●○○ noun
Word Origin
Examples
Collocations
1[countable, uncountable] a piece of equipment that uses radio waves to find the position of things and watch their movement → sonar: The coastline can now be monitored by radar. We could see the plane quite clearly on the radar screen.2on somebody's/the radar (screen) if something is on your radar, you have noticed it and are giving it some attention: This is one of the issues on our radar.3fly/slip under somebody's/the radar to not be noticed by someone: How did this band slip under the radar?
WDF
radar
[ˈreɪdɑ:(r)]
CET4CET6TEM4考研TOEFLIELTS
n4825
5685
1171
915
1969
1192
438
NOUN5065
183923
Spoken:
296610980
雷达(100%)
n.[雷达] 雷达,无线电探测器
n.(Radar)人名;(塞)拉达尔
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