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
I always get nervous in her company.
跟她在一起，我老是紧张。
Our staff and employees will do their best to make your visit comfortable and worthwhile.
我们所有的员工都会尽力使您的来访舒适而有价值。
All right.
好吧。