radar
UK
US
Paraphrase
分析词义
单词 "radar" 是一种电子设备的名字,用来侦测并测量遥远物体的位置、速度、方向和其他特性,通过发送出无线电波并捕捉其反射回来的信号。这个词也经常被用作比喻,用来描述对于环境或情况的警觉和敏锐的理解。
列举例句
词根分析
“Radar” 是个缩写词,全称是 Radio Detection and Ranging,由单词 "Radio", "Detection" 和 "Ranging" 组成。在这里没有词根可分析。
词缀分析
由于 "radar" 是一个缩写,所以并没有前缀或后缀。
发展历史和文化背景
"Radar" 来自于20世纪40年代,最早由英国在二战期间研发出来用来发现敌方飞机。现在,雷达被广泛应用于许多领域,如天气预报、交通监管、天文学等。
单词变形
"Radar" 作为名词没有变形,它的复数是 "radars"。动词形式是 "radar",过去式和过去分词是 "radared",现在分词是 "radaring"。
记忆辅助
你可以联想到电影或者电视剧中,飞机被雷达捕捉到的场景,这样就可以帮助你记住这个单词。
小故事
In the deep, silent night, the radar station was blinking with a green light. The person on duty was watching seriously. Suddenly, an unknown object appeared on the radar. (在深深的、寂静的夜晚,雷达站在闪烁着绿光。值班的人正认真地监视着。突然,雷达上出现了一个未知的物体。)
360
collect
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