Biodegradation
生物降解
🗣️ 情景例句
Let's have a talk about it in advance.
我们事先商量一下。
I'm very sorry. Can I get you another one?
非常抱歉。能不能另外给你买一条呢？
A man was lying in the box on top of a pile of woolen goods.
箱内有一个人正躺在一堆毛织品之上。