Chenico concentrator
[建] 开美科牌浓缩器
🧩 词语组成解析
concentrator
['kɒnsenˌtreɪtə]
n. 集中器;集线器;
🗣️ 情景例句
There are no dues.
不要会费。
My brother wants to learn how to fly a plane.
我的兄弟要去学开飞机。
These days, advertisers not only offer free samples, but free cars, free houses, and free trips round the world as well.
目前，做广告的人不仅提供免费样品，而且还提供免费汽车，免费住房，免费周游世界。