Cascade impactor
[化] 阶式碰撞取样器
🧩 词语组成解析
n. 撞击器；悬浮微粒的取样器
🗣️ 情景例句
Oh, I don't know.
噢，这个我就不知道啦。
A clean hand wants no washing.
身正不怕影子斜。
I admire him for his success in business.
我佩服他事业有成。