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》

Please remember - this is ultra-violet radiation, and care must be taken when using it.

请记住-这是紫外线辐射，必须谨慎使用它时。

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We knew that, when we took away this blanket of ozone, wewould have more ultra-violet radiation.

我们已经知道，当我们除掉臭氧这块毯子后，紫外线辐射会增强。

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The ozone layer protects living things on the Earth's surface from the Sun's ultra-violet radiation.

BBC: Ill wind 'killed dinosaurs'

Sometimes ultra-violet radiation is used to treat psoriasis and eczema.

BBC: Doctors warn against sunbed use

Sunbeds work by exposing the skin to ultra-violet radiation.

BBC: Doctors warn against sunbed use