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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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。

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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。

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These are particularly callous and cold-blooded statements suggesting that this instinctive empathy, this aspect of moral thought, is not-- is present in most of us but not in all of us.

这些极其无情冷血的话,表明移情这种本能，这种道德观念的一个要素-,存在于我们大部分人当中，但不是所有人。

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