Scientists have been arguing since the 1950s over whether dinosaurs were warm or cold blooded, because each type of metabolism implies different physical attributes.
自20世纪50年代以来，科学家们一直在争论：恐龙究竟是属温血动物还是冷血动物，因为每种代谢类型意味着不同的身体属性。
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。
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？
蛇是冷血的。
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。
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。
The size of the cold-blooded Titanoboa indicated to researchers that the tropical coastal river system it occupied would have been warmer than the tropics today.
冷血的泰坦蛇的大小向研究人员表明这种蛇生活的沿海河流水系的热带环境比现在的热带地区更加温暖。
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。
After studying 14 different species the researchers concluded that simply walking and running required too much energy for larger bipedal dinosaurs to have been cold-blooded.
通过研究14个不同种类的恐龙，这些研究人员得出结论：大型双足行走恐龙仅行走和奔跑就需要大量能量，从而排除了恐龙是冷血动物的可能。
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。
The turtle, like all reptiles, is cold-blooded.
海龟和所有爬行动物一样，是冷血动物。
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。
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。
Some cold-blooded animals sleep all through the winter.
一些冷血动物整个冬天都在睡觉。
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。
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。
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。
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。
"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。”
On the whole, Marine organisms are cold-blooded, meaning that their internal temperatures are essentially uniform with the environment.
总的来说，海洋生物是冷血动物，即是说，它们的体温与周围环境基本上是一致的。
鱼是冷血动物。
A snake is a cold - blooded animal.
蛇是一种冷血动物。
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。
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。
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。
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