There are obvious benefits to being warm blooded. Like not having to sit in the sun for a few hours just to get going in the morning.
成为一种恒温动物，有很明显的好处，比如我们不必一大早就坐在太阳底下先晒上几小时，然后才能活动身体。
In winter, the day is short, there is less time for everything to get warm and the sun doesn't shine more directly on the earth.
冬天，白昼短，物体受热时间相对短，而且太阳相对较少地直射地球。
These houses are warm, though in the spring they begin to get rather wet and damp, and the heat of the summer sun compels the Eskimos to abandon them.
这些用雪堆成的房子非常暖和，只是到了开春，它们就开始变得潮湿不堪，终于随着夏天气温的升高，人们就不得不放弃它们。
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