🧩 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
Freeze!
别动！
Do you want me to check the tires?
要检查轮胎吗？
What was the population of the more developed countries in 1950?
1950年较发达国家的人口是多少？