Apedia

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.

radar 是一个利用无线电信号或声纳探测物体(如飞机、船只)位置或速度的系统,尤指在目标不可见时。

word radar
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Collins
radar ★★☆☆☆
/re͟ɪdɑː(r)/
1
[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) ; NAmE ˈreɪdɑːr / 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
IDIOMS below/under the ˈradar used 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 screen used 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.
radar radars
radar / ˈreɪdɑː(r) ; NAmE ˈreɪdɑːr /
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 movementsonar:  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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