Concentration gradiant
[电] 浓度梯度
🧩 词语组成解析
🗣️ 情景例句
This is too much.
太过分了。
I'm pleased to hear about your wife having a baby.
我很荣幸得知你太太生了一个小宝宝。
(Looking at the other woman) I'm sorry, but I don't think I know you.
（瞅着玛蒂尔德）很抱歉，我想我不认识你呀。