Radar
[ 'redɑr ]
其它 Other
n. 雷达;雷达装置;无线电探测器;
📝 例句
Take an onboard radar for example.
就拿机载雷达为例吧。
It is guided to its destination by radio and radar control.
它是通过无线电和雷达控制装置而导向其指定目标的。
They plotted aircraft movements by radar.
他们借雷达标示飞机的动向。
The highest priority was assigned to all forms of radar study and application.
我们对有关雷达的各种研究和应用给予最高的优先权。
In radar, the signals used are pulses.
在雷达中,使用的信号是脉冲。
🌱 联想助记
【记】※ radar-雷达,raider-袭击者:雷达发现了袭击者
※ radar-雷达,radio-收音机:雷达和收音机都利用了无线电技术
🔤 词根
-radi-表示“光线”
📖 牛津释义
radar
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.
🎯 考研助记
音译词 雷达
🔁 扩展释义
*['reidә]n. 雷达, 无线电探测器【计】 雷达图【医】 雷达
🌿 同词根单词
📖 同为「CET-4」词汇
查看全部CET-4词汇 ›🗣️ 情景例句
That's Tang Lin. Come on. I'll introduce you.
那是唐林。过来吧，我来给你介绍一下。
But there's another thing, Pierre. I have no jewellery to wear.
不过，比尔，还有一件事。我还没有首饰戴哩。
Perhaps in those days I was. Pierre and I did have a very good time at the ball. But that was the last moment of happiness in our lives. That night everything changed.
那时候，我也许是个漂亮姑娘。我和比尔在舞会上的确玩得很痛快。不过，那是我们一生中最后的幸福时刻。那天晚上一切都变了。