Some scientists contend that many species of dinosaur had a metabolism more like a warm-blooded mammal's than a cold-blooded reptile's.
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。
If true, though, why did cold-blooded animals such as snakes, lizards, turtles, and crocodiles survive the freezing winters and torrid summers?
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？
Scientists studying the physiology of dinosaurs have long debated whether dinosaurs were warm- or cold-blooded.
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。
蛇是冷血的。
One reason for this is that insects are cold-blooded, so they don't need to eat food to keep warm.
原因之一是因为昆虫是冷血的，所以它们并不需要靠吃食物来保暖。
They are cold-blooded, like snakes.
他们是冷血动物，像蛇一样。
Lizards and snakes are cold-blooded animals.
蜥蜴和蛇是冷血动物。
This case is typically a cold-blooded murder.
该案是一个典型的预谋杀人案。
The turtle, like all reptiles, is cold-blooded.
海龟和所有爬行动物一样，是冷血动物。
The cold-blooded murder shocked the small town.
这起残忍的凶杀案震惊了小镇。
Some cold-blooded animals sleep all through the winter.
一些冷血动物整个冬天都在睡觉。
Lizards and other cold-blooded critters bask in the sun to keep warm.
蜥蜴和其他冷血生物都会晒晒太阳，以保持温暖。
The most recent research indicates that they were cold-blooded animals.
最近的研究表明他们是冷血动物。
You knew I like Sarah. Why did you ask her out? That was really cold-blooded.
你知道我喜欢萨拉，还约她出去？你可真够狠的。
For example, a newspaper says the police are searching for a cold-blooded killer.
例如，一家报纸报道，警察正在搜捕一位冷血杀手。
For example, a newspaper says the police are searching for a cold-blooded killer.
举个例子：报纸上说，警察正在搜捕一位冷血杀手。
I am not a cold-blooded, more is not slow, I'm just afraid, too, will be sad when I leave.
我不是冷血，更不是慢热，我只是害怕，投入太多，离开的时候会难过。
Cockroaches are also poikilotherms, or cold-blooded, meaning they need much less food than humans do.
蟑螂是变温动物，也叫冷血动物，这意味着，与人类相比，他们需要的食物非常少。
There is a clear difference in bone structure between modern cold-blooded and warm-blooded animals.
现代温血动物的骨骼结构与冷血动物有着本质上的区别。
The effect also reveals an additional impact that warming coastal waters may have on cold-blooded organisms.
效果同样揭示了沿岸温暖的水流对冷血生物的额外作用。
Snakes are cold-blooded animals. They take many things as food, such as mice, sparrows, frogs, eggs, pests and so on.
蛇是冷血动物；食性广泛，如老鼠、麻雀、青蛙、鸟蛋、害虫等。
The most altruistic behavior of all, giving your life to help another, can be explained in cold-blooded evolutionary terms.
最利他的行为，就是为他人牺牲自己，这也可以用毫无人情味的进化论来解释。
"Western people usually see dragons as cold-blooded reptiles, like snakes," said Jonathan Haagen, copy editor for the Teens.
《21世纪中学生英文报》编辑乔纳森森·哈根说：“西方人通常将龙视为和蛇一样的冷血爬虫。”
Tens of thousands of fungal species infect reptiles, amphibians and other cold-blooded animals, but only a few hundred harm mammals.
数以万计的真菌都能够感染爬行动物、两栖动物和其他冷血动物，但只有其中的几百种才对哺乳动物构成威胁。
So the 'chameleon effect', far from being the preserve of cold-blooded reptiles, is actually a warm response facilitating social interactions.
所以这样看来，变色龙效应远非是冷血的爬行动物的一种自我保护，而确实是对促进社交互动而表现出的热情响应。
Sceloporus lizards, like most others, are diurnal - active during the day - and cold-blooded, so they can't regulate their body temperature.
绿刺蜥和其它大多数物种一样，是昼行性(在白天活动)冷血动物，因此，它们不能调整自身体温。
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。
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。
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