他们即使在很冷的天气里也可保持正常体温。
They can keep up their normal body temperature even in very cold weather.
研究人员将一组老鼠的体温升高到103华氏度，另外一组保持正常体温- - -大约是人体温度。
Researchers warmed up one group of mice to body temperatures of about 103 degrees Fahrenheit. They left another group at normal core temperature-about the same as ours.
他们生活得很活跃，即使在严寒的冬天也能保持正常的体温。
They lead an active life which keeps up their body temperature even in very cold winter weather.
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。
Some warm-blooded animals lead an active life that maintains their normal body temperature even in very cold winter condition.
他们生活很活跃，即使在严寒的冬天也能保持正常的体温。
They lead an active life which keeps up their normal body temperature, even in very cold winter weather.
他们生活很活跃，即使在严寒的冬天也能保持正常的体温。
They lead an active life which keeps up their normal body temperature, even in very cold winter weather.
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