Impactometer
碰撞(空气)取样器
🗣️ 情景例句
Lacks vitality.
缺乏活力。
Grain by grain,and the hen fills her belly.
一颗接一颗，母鸡填饱肚。
Certainly. But please give it back soon.
可以，但是用完后请及时还回来。