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
Are you having a good time, Susan?
玩得高兴吗， Susan？
At the moment, he is a bit worried about his English.
就在那时候，他有点担心他的英语。
It's about 400 yards from here.
离这儿大约有400码。