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。
The exterior skin is a prefabricated metal that allows natural light to filter into the building.
建筑表面采用预制的金属，可以过滤进入建筑的自然光。
Clouds and pollution don't filter out UV rays, and they can give a false sense of protection. This "invisible sun" can cause unexpected sunburn and skin damage.
云和空气污染并不能滤掉紫外线，却能给人带来被保护的幻觉。“看不见的太阳”能引致意外晒伤和皮肤伤害。
Clouds and pollution don't filter out UV rays, and they can give a false sense of protection. This "invisible sun" can cause unexpected sunburn and skin damage.
云和空气污染并不能滤掉紫外线，却能给人带来被保护的幻觉。“看不见的太阳”能引致意外晒伤和皮肤伤害。
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