Use sunscreen on all skin surfaces that will be exposed to sun — especially your face, ears, hands, arms and lips.

要在所有将暴露在太阳下的皮肤表面涂抹，尤其是你的脸，耳朵，手，胳膊和嘴唇。

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Standing upright might even have helped them control their temperature better by reducing the amount of skin directly exposed to the sun.

通过直立行走，减少被太阳直射的皮肤面积，控制体温可能也会相对更容易一些。

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Whales are continuously exposed to the sun and are now suffering skin damage as ultraviolet radiation increases.

——鲸鱼持续不断地暴露在太阳下，而如今却因紫外线辐射的增加而使皮肤遭受损害。

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Put a thick amount of sunscreen on all areas of skin exposed to the sun.

VOA: special.2010.07.06

Government-funded studies have found that this particular type of vitamin A may increase risk of skin cancer when used on sun-exposed skin.

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When skin (the body's largest organ) is exposed to the sun's rays, free radicals can develop, Katz explained.

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For example, I have red-hair and pale skin and as such, I am prone to spontaneously combusting when exposed to the sun.

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