恒温动物，如人类和犬只，通过消耗大部分的能量产生热量来保持身体的温暖。
Warm-blooded animals, like humans and dogs, spend much of their energy generating heat to keep the body warm.
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。
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.
恒温动物也通过选择有利的环境来调节其体温。
Endotherms also regulate their temperature by choosing favorable environments.
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