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
I know you want to get to it.
我知道你想要开始啦。
I learned English this morning.
我今天早上学英文。
I have pressing business to attend to.
我有紧急的事情要处理。