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
Keep right.
保持右方向。
But after one week and I still hadn't made a single sale, my heart was in my boots.
但过了一星期还没有做成一笔生意，我感到十分焦急。
No, I wasn't.
不， 我不是。