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。

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.

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洗脸过勤--一天两次以上--你就可能损害皮肤天然的液体屏障，一种使皮肤看起来、摸起来健康的液体保护覆盖层。

Wash your face too often — more than twice a day — and you can damage the natural lipid barrier, the protective mantle of lubrication that keeps skin looking and feeling healthy.

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橡胶手套可以防护他不触及电池的化学物质，比如镍、钴和锰，同时还可以保护电池的精密组织，不被他手指上的天然皮肤油脂污染。

The gloves protect him from the chemicals in the battery, which include nickel, cobalt and manganese, and shield the battery's delicate tissues from the natural oils on his fingers.

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