Radar calibration
[电] 雷达校正
🧩 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
The return name and address is
发信人姓名和地址是
How old are you?
你多大了？
Grandma is ill, she said. I must take her to hospital.
“奶奶病了，”她说，“我必须送她去医院。