Impactor
n. 撞击器；悬浮微粒的取样器
🗣️ 情景例句
Oh, sorry. There must be some mistake.
哦，抱歉，一定是弄错了。
It is never too late to learn.
什么时候学习都不晚。
I think I've caught a cold.
我想我得了感冒。