Impactometer
碰撞(空气)取样器
🗣️ 情景例句
I was teaching music,
我当时教音乐，
How do you spell it?
怎么拼？
It was raining heavily and they found that a stream had formed in the field.
雨下得很大，他们发现地上已经形成了一条小溪。