1
detect/track sth with radar
表示使用雷达作为工具来检测或追踪目标。
The air traffic controller tracked the plane with radar.
空中交通管制员用雷达追踪那架飞机。
雷达，无线电探测器
先理解核心含义，再看它在真实句子里的用法。
雷达，无线电探测器
a system that uses radio waves to detect and locate objects such as aircraft or ships
The air traffic controller tracked the plane with radar.
空中交通管制员用雷达追踪那架飞机。
全称为初级雷达:通过分析发向物体并从其表面反射的无线电波(通常是微波)来探测远处物体并确定其位置、速度或其他特征的方法；也是研究该方法的领域
In full primary radar: a method of detecting a distant object and determining its position, velocity, or other characteristics by analysing radio waves (usually microwaves) which are sent towards the object and which reflect off its surfaces; also, the field of study of this method.
通常由描述词修饰:基于分析反射信号(如光波或声波)而非无线电波的自然(例如动物如蝙蝠)或人造探测方法；(可数)此类方法的实例
Often preceded by a descriptive word: a natural (for example, in an animal such as a bat) or human-made detection method based on the analysis of reflected signals other than radio waves, as light waves or sound waves; (countable) an instance of this.
卓越的探测能力；意识,直觉
A superior ability to detect something; an awareness, an intuition.
The airport uses radar to track incoming flights.
机场使用雷达来追踪进港航班。
Some drivers rely on radar detectors to avoid speeding tickets.
一些司机依靠雷达探测器来避免超速罚单。
Military radars can detect objects hundreds of kilometers away.
军用雷达可以探测到数百公里外的物体。
表示使用雷达作为工具来检测或追踪目标。
The air traffic controller tracked the plane with radar.
空中交通管制员用雷达追踪那架飞机。
常用于气象或航空语境，表示目标被雷达探测到。
The storm appeared on radar just before noon.
风暴在中午前就出现在雷达上。
雷达作为主语，表示其显示或指示的内容。
Radar showed a large flock of birds approaching.
雷达显示一大群鸟正在接近。
Not this
The aircraft appeared in the radar.
Use this
The aircraft appeared on the radar.
汉语中'在雷达里'对应英文介词 'in'，但表示被雷达探测到时，英语惯用 'on the radar'，表示显示在雷达屏幕上。
Not this
We installed two new radar on the hill.
Use this
We installed two new radars on the hill.
Radar 作可数名词时，复数形式为 radars。学习者常误以为它是不可数名词而省略 -s。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
雷达屏幕
The plane disappeared from the radar screen.
飞机从雷达屏幕上消失了。
雷达探测器
He installed a radar detector in his car to avoid speeding tickets.
他在车上安装了雷达探测器以避免超速罚单。
雷达测速枪
The police officer used a radar gun to check the speed of passing vehicles.
警察用雷达测速枪检查过往车辆的速度。
雷达系统
The airport uses an advanced radar system to track aircraft.
机场使用先进的雷达系统跟踪飞机。
雷达图像
The weather forecast showed a radar image of the approaching storm.
天气预报显示了正在逼近的暴风雨的雷达图像。
雷达技术
Radar technology has improved significantly over the past decade.
过去十年里，雷达技术有了显著提升。
在某人关注范围内
The issue has been on the government's radar for months.
这个问题几个月来一直在政府的关注范围内。
不引人注意地
He managed to get the contract under the radar of his competitors.
他神不知鬼不觉地拿下了合同，没引起竞争对手的注意。
低调行事
The startup flew under the radar for years before becoming a major player.
这家初创公司低调经营多年，之后才成为主要参与者。
雷达之爱，雷达之爱
From the song 'Radar Love' by Golden Earring, a classic rock hit about a man driving to meet his lover, using radar as a metaphor for their connection.
来自Golden Earring乐队的经典摇滚歌曲《Radar Love》，讲述一个男人驱车去见爱人，用雷达比喻他们的联系。
Use radar naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
雷达的英文radar，可拆解为rad（发射）和ar（返回），形象记忆其工作原理。
[object Object]
可数名词，指雷达设备
Dictionary facts from ECDICT, WIKTIONARY.