Concentration diffusion
[化] 浓差扩散
🧩 词语组成解析
🗣️ 情景例句
If you can order a bit more, we might be able to give you a 2% discount.
如果你能够再订多一些，我们可以给你 2% 的折扣。
Sorry, but she's busy then too.
对不起，那会儿她也没空。
she said she was not going to make another.She said she was going to retire.
她不准备再拍电影了。她说她准备退休。