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
Fast asleep.
正熟睡着呢。
I've heard so much about you!
久仰大名！
It's much cheaper to camp than to stay in a hotel.
露营比住旅馆要便宜多了。