Concentrators
(concentrator 的复数) n. 集中者, 浓缩器, 选矿机\\n[计] 集线器, 集中器
🗣️ 情景例句
No, by train.
不， 坐火车。
I don't know, sir, but I guess the computer made some mistake.
不知道呀，好像是电脑出了故障了。
Look! It's inside another pot. What was that pot used for?
“瞧！还是大壶套小壶呢。有什么用途？”