Ozone provides a natural protective filter against harmful ultra-violet rays from the sun, which can cause sunburn, cataracts and skin cancer as well as damage vegetation.

臭氧提供天然的保护，防止太阳的有害紫外线的侵害，这种紫外线会导致晒斑，白内障，皮肤癌以及危害植物。

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The lenses can filter out ultra-violet rays.

这个镜片可以滤除紫外线。

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