degrade
US /dɪˈɡreɪd/
UK /dɪˈɡreɪd/

1.
2.
降解, 分解
break down or deteriorate chemically
:
•
Plastic bags can take hundreds of years to degrade.
塑膠袋可能需要數百年才能降解。
•
The old wooden fence began to degrade after years of exposure to the elements.
舊木柵欄在經歷多年的風吹日曬後開始腐朽。