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
Glad to know you.
很高兴认识你。
A book that remains shut is but a block.
有书闭卷不阅读，无异是一块木头。
Good afternoon, class! Who's on duty today?
同学们，下午好！今天谁值日？