Impactor
n. 撞击器；悬浮微粒的取样器
🗣️ 情景例句
Now that the technical problems have been settled,
既然有关技术问题已经解决，
Seven percent would be possible for orders for, say, 500 or more.
订购500台或500台以上都不得有可能给予7%的折扣。
I can see the teapot,but I can't see the tea.
茶壶我看见了，但茶叶没看到。