Huxley reasoned that flying vertebrates must have been warm-blooded because flying implies a high rate of metabolism, which in turn implies a high internal temperature.
赫胥黎推断，会飞的脊椎动物一定是温血动物，因为飞行意味着较高的新陈代谢率，而新陈代谢率又意味着较高的内部温度。
He found that, for dinosaurs weighing from a few kilograms to tonnes, the power their muscles needed was far too high for the animals to have been cold-blooded.
他发现，对体重从几公斤至几吨的恐龙来说，它们的肌肉所需要的能量极其高，是冷血动物所无法提供的。
Most dinosaurs have erect postures and therefore it has been suggested that this indicates that they had high activity levels and were warm-blooded .
大多数恐龙也具有这样的身体姿态，说明它们具有较高的运动水平，而且是温血的。
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