Impactor
n. 撞击器；悬浮微粒的取样器
🗣️ 情景例句
Hi, this is Tony, I have a flat tire, could you come and pick me up?
你好，我是托尼，我的车爆胎了，你能来接我吗？
It takes two to make a quarrel.
要有两个人才吵得起来。
What is it? asked the man.
“什么事？”楼上人问。