radar 详细解释

radar

['reidɑ:]

n. 雷达

n.

雷达[C]

There are enemy aircraft on the radar screen.

雷达荧屏上出现了敌人的飞机。

词形变化

名词复数：radars

英英释义

名词 radar:

measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects

同义词：microwave radar, radio detection and ranging, radiolocation

补充

radarradar英:[ˈreidə] 美:[ˈredɑr]n.1.雷达The ship, with the help of radar, sailed in thick fog.船借助于雷达在浓雾中航行。They are following the flight of an aircraft by radar.他们正在用雷达追踪一架飞机的飞行。2.雷达装置Enemy ships were detected on the radar.敌舰的影像已显现在雷达上。

例句

1. keep your radar tuned to changes at work.你要留意工作中的变化。 2. This plane is hard to detect by radar.这种飞机雷达很难发现。 3. a powerful radar强力雷达 4. The approaching planes were detected by radar.正在靠近的几架飞机被雷达发现了。 5. A career in politics wasn't even on my radar (screen) at that point. [=I wasn't thinking at all about a career in politics]那时从政根本不在我的考虑范围内。 6. an actor who has fallen off the radar [=who has stopped being noticed or talked about]过气的演员 7. He tried to stay under the radar [=unnoticed] as he went about his business.他处理自己的事时，尽量避开别人的关注。

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