Ozone is the earth's barrier against ultra-violet radiation.
臭氧是地球防止紫外线辐射的屏障。
《牛津词典》
2
The destruction of Earth's ozone layer, for example, could contribute to the general process of impoverishment by allowing ultra-violet rays to harm plants and animals.
例如，地球臭氧层的破坏会使紫外线伤害植物和动物，从而导致普遍的贫瘠进程。
3
We knew that, when we took away this blanket of ozone, wewould have more ultra-violet radiation.