The packaging of this product is biodegradable.

这个产品的包装是可生物降解的。

Rubber is not biodegradable in water.

橡胶在水中是不能被生物降解的。

A biodegradable object means it can decompose naturally in a way that is not harmful to the environment.

可生物降解的物体是指它能以一种对环境无害的方式自然分解。

Space waste is not biodegradable.

太空垃圾是不能生物降解的。

Two words: biodegradable plastics.

两个词：可降解塑料。

The materials are recyclable and biodegradable.

全车材质都是可循环可降解的。

And Babbage's old steel bike, too, is biodegradable.

而巴贝奇(Babbage)的旧钢自行车也是可以生物降解的。

Space waste is not biodegradable. You cannot sweep it up.

太空垃圾不能生物降解，也无法清除。