Impactometer
碰撞(空气)取样器
🗣️ 情景例句
It's great. Although the economy is pretty slow as usual, it's picking up.
很好。虽然经济发展照常地缓慢，不过已开始回升。
There is no place like home.
再好之处不如自己家。
In this shop you can buy school things.
你可以在这个商店里买到学习用品。