Something that is biodegradable breaks down or decays naturally without any special scientific treatment, and can therefore be thrown away without causing pollution.
例句
...a natural and totally biodegradable plastic.可完全生物降解的天然塑料
英漢詞典釋義
adj.
能進(jìn)行生物降解的,能起生物遞解分解作用的
The company had falsely claimed that its products were biodegradable.公司謊稱(chēng)他們的產(chǎn)品是可生物降解的。