Radar astronomy
雷达天文学
🧩 词语组成解析
radar
['redɑr]
n. 雷达;雷达装置;无线电探测器;
🗣️ 情景例句
Oh, sorry. There must be some mistake.
哦，抱歉，一定是弄错了。
You get what you pay for.
便宜没好货。
It's a waste of time reading that book. It's rubbish.
看那本书真是浪费时间。那简直是垃圾。