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TOEFL IELTS BNC: 7112 COCA: 4780
radar
rdɑːʳ ˈreɪˌdɑr
Word forms: plural radars
N-VAR 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. 雷达;无线电定位装置
  • 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。

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TOEFL IELTS BNC: 7112 COCA: 4780
radar

noun

ADJECTIVE | VERB + RADAR | RADAR + NOUN | PREPOSITION | PHRASES ADJECTIVEenemy, police敵方雷達;警方雷達airborne, ground, ground-based機載/地面/陸基雷達long-range遠程雷達VERB + RADARbe equipped with配備雷達RADAR + NOUNoperator雷達操作員station, system雷達站;雷達系統antenna, detector, equipment, instrument, receiver, scanner, transmitter雷達天線/探測器/裝備/裝置/接收機/掃描儀/發射機screen雷達熒光屏beam, signal雷達波束/信號image雷達影像PREPOSITIONby radar通過雷達navigation by radar通過雷達導航on radar用雷達The submarine is impossible to detect on radar.雷達不可能探測到這種潛艇。PHRASESoff the radar, on the radar不在/在雷達的觀測範圍之內;不引人/引人注目The aircraft suddenly went off the radar.飛機突然從雷達顯示屏上消失了。He's barely on the radar of most movie-goers. (figurative) 大多數常看電影的人幾乎很少關注他。
TOEFL IELTS BNC: 7112 COCA: 4780
TOEFL IELTS BNC: 7112 COCA: 4780
radar
Radio, radar and sonar signals: atmospherics, directional, footprint...

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