如果这是真的,那么为什么像蛇、蜥蜴、乌龟和鳄鱼这样的冷血动物能在寒冷的冬天和炎热的夏天存活下来呢?
If true, though, why did cold-blooded animals such as snakes, lizards, turtles, and crocodiles survive the freezing winters and torrid summers?
一些科学家认为,许多种类的恐龙的新陈代谢更像温血哺乳动物,而不是冷血爬行动物。
Some scientists contend that many species of dinosaur had a metabolism more like a warm-blooded mammal's than a cold-blooded reptile's.
长期以来,研究恐龙生理学的科学家们一直在争论恐龙到底是温血动物还是冷血动物。
Scientists studying the physiology of dinosaurs have long debated whether dinosaurs were warm- or cold-blooded.
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