non-degradable
adjective (also nondegradable) uk/ˌnɒn.dɪˈɡreɪ.də.bəl/ us/ˌnɑːn.dɪˈɡreɪ.də.bəl/
不可降解的
A non-degradable substance will not degrade (= change into a more simple chemical structure over time).
One of the dangers of lead is the fact that it is non-degradable, which means that it remains in the atmosphere forever. 铅的危险之一是它不可降解，这意味着它会永远留在大气中。
Nondegradable plastic floats in the sea, where it chokes and kills fish and other wildlife. 不可降解的塑料漂浮在海洋中使鱼类和其他野生动物窒息并死亡。
- More examples
- They want to ban the use of non-degradable plastic cups, cutlery, and plates.
- There is increasing global awareness about environmental problems caused by non-degradable plastic containers and bags.
- Many pieces in the swimwear range are available in "Endurance" fabric, which is non-degradable and resistant to chlorine.
- We were asked to think about all the non-degradable razors lying in landfills across the world.