Impactor
n. 撞击器；悬浮微粒的取样器
🗣️ 情景例句
But we can't do it without talking to the young people.
但我们不能在没有跟年轻人谈谈的情 下就去做。
To paint the roof
油漆屋顶
Of course, everyone began to shout very loudly.
当然，每一个人都开始大声地喊叫。