太阳光中的紫外线会损伤动植物(包括人类)的DNA和引起皮肤癌，而臭氧层的功能就是阻挡住这些有害的紫外线从而保护地球上的生命。

Earth's ozone layer protects life by absorbing ultraviolet light, which damages DNA in plants and animals (including humans) and leads to skin cancer.

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臭氧层保护着地球上的生命，因为它能吸收太阳光中的紫外线。紫外线会破坏植物和动物(包括人类)的DNA并导致皮肤癌。

Earth's ozone layer protects life by absorbing ultraviolet light, which damages DNA in plants and animals (including humans) and leads to skin cancer.

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