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
Don't ask why; just do as you are told.
别问为什么， 按要求去做就行了。
What youth is used to, age remembers.
青年时经常做的事，老年时却能记得起。
'What has happened?' she asked.
“发生了什么事？”她问，