Concentration currents
[建] 浓差电流
🧩 词语组成解析
n. 潮流；气流；电流（current的复数）
🗣️ 情景例句
At this hour?
在这个时候？
That's nice. Where?
好啊，去哪儿了？
What is the deadline for submitting the quotation?
报价截止日是哪一天？