Cascade concentrator
[化] 阶式蒸浓器
🧩 词语组成解析
concentrator
['kɒnsenˌtreɪtə]
n. 集中器;集线器;
🗣️ 情景例句
Don't be such a moaner.
别老是哼哼唧唧的。
Who is the head of this government?
谁是这政府的首长？
I think we can draw up a tentative plan now.
我认为现在可以先草拟一具临时方案。