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
The truth is, I'd like to live in the city.
老实说我也想住到城里来。
I'm a federal employee. I work for the Department of Labor.
我是一个联邦雇员。 我为劳动部门工作。
He was the man who climbed the Leaning Tower of Pisa and dropped various weights from the top,
他就是那个曾经爬上比萨斜塔，从塔顶向下抛掷各种重物的人；