Cascade impactor
[化] 阶式碰撞取样器
🧩 词语组成解析
n. 撞击器；悬浮微粒的取样器
🗣️ 情景例句
Do you fancy the Back Street Boys?
你喜欢“后街男孩”吗？
John has his own family now.
约翰现在有自己的家了。
I don't care where we go as long as we don't have to stand in line.
不管去哪里，只要不用站着排队就行。