Radar equation
[电] 雷达方程式
🧩 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
Having their origins in China, chopsticks are used in many Asian countries.
筷子起源于中国，现在很多的亚洲国家都使用它。
What's the big deal?
这有什么大不了的？
Thank you, everyone. Please come in, said Ann.
“感谢你们大家。请进来”安说。