英语语法分析

The problem is a lot of this does not biodegrade.

他说：“问题是很多这种垃圾不能被生物降价。

Unlike some bioplastics, it is a drop that will neither compost nor biodegrade, though it will be recyclable.

不同于一些生物塑料，是一种既不能堆肥也无法生物降解的物质，尽管可以进行回收利用。

Non-organic materials must be removed, unless they are made of several new starch-based polymers that biodegrade over time.

非有机材料必须被删除，除非它们是由几个新的淀粉基生物降解聚合物，随着时间的推移。