Concentration diffusion
[化] 浓差扩散
🧩 词语组成解析
🗣️ 情景例句
You're writing a book?
你在写一本书吗?
But you have to pay 5% commission on this money exchange.
但兑换这笔外币，您得另外付5%的手续费。
I told her what the revolutionaries were doing and I persuaded her to help me.
我告诉她革命者都在干些什么事，并说服她给我帮忙。