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
That leaves a lot to be desired.
太不让人满意了。
Don't pass up a golden opportunity.
勿失良机。
Advertisers discovered years ago that all of us love to get something for nothing.
做广告的人们多年前就发现我们大家都喜欢免费得到东西。