陆上食物是非常有限的,根本没有什么能与一只海豹所能给北极熊提供脂肪和能量相比。
Food onshore is very limited and there is simply nothing comparable to a seal that provides a polar bear with fat and energy.
动物体内的大部分脂肪是用来储存能量的,但是你在海豚体内发现的这种脂肪,只存在于鼻疣和下颌周围。
Most of the fat that you find in an animal's body is used for storing energy, but this fat, which you find in dolphins, and only in the melon and around the lower jaw.
像我们这种的食肉动物,利用蛋白质中的碳和肉类中的脂肪来锻炼肌肉和储存能量。
Carnivorous animals such as ourselves use the carbon in protein and the fat in meat to build muscles and store energy.
you're going to release hormones like testosterone and GH, which oxidizes fat for energy.
你就会分泌出像睾丸酮和生长激素那样的激素,把你的脂肪氧化成能量。
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