Some warm-blooded animals lead an active life that maintains their normal body temperature even in very cold winter condition.

一些温血动物过着多动的生活，这使它们在很冷的冬天里也可以保持正常的体温。

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Winter or summer, hours of bright sunlight can burn the surface of the eye, causing a temporary but painful condition known as photokeratitis.

无论冬夏，数小时明亮的阳光都可以灼伤眼球表面，使之感到短暂的疼痛。这种病状叫做光致角膜炎。

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Another 10% to 20% May experience a mild form of the condition in late fall or early winter.

另外10%到20%的可能在初冬或者冬末有过轻度的消沉。

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Winter also said West was in good condition before the surgery and that investigators are talking with Adams about the surgery.

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West was in good condition before the surgery, Winter said.

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Often described as "winter blues", Rosenthal found the condition was more prevalent in northern latitudes: virtually no-one in sunny Florida was diagnosed with the condition while almost one in 10 of the population further north in New Hampshire was said to suffer from SAD.

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