biodegrade
UK/baɪəʊdɪ'ɡreɪd/US/,baiәudi'^reid/
C2
释义
v.
To decompose naturally through the action of living organisms.
（使）生物降解。
词根拆分
词根派生bio-生命；生物
+
degrade向下，去除，逆转
=biodegrade
bio-（生命）+ degrade（分解）= 被活的生物（细菌、真菌）分解。
例句
- 1.
Paper bags biodegrade much faster than plastic ones.
纸袋比塑料袋降解得快得多。