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
I'm glad to meet you.
很高兴认识你。
What's the basis of your belief that the product is safe?
你凭什么相信产品是安全的？
I would like to check out.
我想结帐。