Impactors
(impactor 的复数) n. 撞击器；悬浮微粒的取样器
🗣️ 情景例句
Yes, it is. Come up.
是的 是我。请上来
Every Jack has his Jill.
有情人终成眷属。
You go to the school office and telephone the police. Please hurry up!
“你去学校办公室给警察打电话。请快一点！快点！”