酷兔词典首页

radar

美音:[´reı´dɑ: ]点这儿播放单词美音发声
英音:[´reı´dɑ: ]点这儿播放单词英音发声
n.雷达,电波探测器

难易程度:

radar为短语/超纲词汇

radar


/'reɪdɑ:(r); `redɑr/
n [U]
(a) system for detecting the presence, position or movement of solid objects within its range by sending out short radio waves which they reflect 雷达
*locate an aircraft by radar 用雷达测定一飞机的位置.
(b) equipment used for this 雷达装置
*Enemy ships were detected on the radar (screen). 敌舰的影像已显现在雷达(屏幕)上.
* [attrib 作定语] a radar operator, installation, scanner 雷达手、设备、扫描天线. Cf 参看 sonar.

radar


n [U and C]
[Date: 1900-2000; Origin: radio detection and ranging]
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.
1. This echo-location in bats is often compared with radar,the principle of which is similar.
    蝙蝠的回声定位常常可与雷达比较,其原理是一样的.

2. This echo-location in bats is often compared with radar, the principle of which is similar.
    人们常把蝙蝠的这种回声定位与雷达相比较, 因为它们的原理是相似的.

3. This echo-location in bats is often compared with radar, the principle of which is similar.
    蝙蝠这种回声定位常常可与雷达相比较,其原理是相似的。

4. Radar sirens wailed, ambulances rushed from one place of agony to another, and fire fighters faced the flames hour after hour.
    雷达警报器在尖叫, 救护车从一个充满痛苦的地方向另一个充满痛苦的地方飞速行驶, 而消防队员则每时每刻面对的是熊熊火焰。

更多句子>>>