Cooxidation
共氧化
🗣️ 情景例句
I've been busy all day.
我今天一整天都非常忙。
Here is a price list together with a booklet illustrating our products.
这儿有一份价目单和介绍说明我方产品的小册子。
We're going to pick apples.
我们打算去摘苹果。