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
Technology has totally changed our life over the past two decades.
在过去的二十年里，科学技术已经完全改变了我们的生活。
I invited him to come over, but he wouldn't.
我请他过来，但是他不肯。
The woodcutter replied: I'm going to cut this tree down.
伐木工人回答说：“我要把这棵树砍倒。”