有很多很多的特征证明着‘郑氏晓廷鸟’和‘始祖鸟’只是一种叫做恐爪龙类的恐龙的种类，而不是鸟。
There are many, many features that suggest that Xiaotingia and Archaeopteryx are a type of dinosaur called Deinonychosaurs rather than birds.
有很多很多的特征证明着‘郑氏晓廷鸟’和‘始祖鸟’只是一种叫做恐爪龙类的恐龙的种类，而不是鸟。
There are many, many features that suggest that Xiaotingia andArchaeopteryx are a type of dinosaur called Deinonychosaurs rather than birds.
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.
食草恐龙的主要食物可能是马尾草，这是一种类似于蕨类的植物，在史前的沼泽地带大量存在，营养丰富。
A staple part of the vegetarian dino-diet was probably horsetails, fern-like plants that were abundant in prehistoric swamps and highly nutritious.
在恐龙世界我们看到许多种类的恐龙化石。
We saw many kinds of fossils of dinosaurs in the dinosaur World.
目前最重要的一项发现是有些种类的恐龙长着翅膀。
The most important discovery so far has been that some species of dinosaurs had feathers.
徐星发现的恐龙种类比任何当代科学家都要多，他表示某些恐龙拥有鸟类的特征，甚至长有羽毛。
Discoverer of more dinosaur species than any other living scientist, Xu Xing, with a cast of parrot-faced Psittacosaurus, says some dinosaurs have birdlike traits, including feathers.
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。
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.
此次大灭绝之前，兽孔目爬行动物（一种类哺乳动物）的数目远远多于恐龙的祖先祖龙。
Until this disaster, mammal-like creatures known as therapsids were actually more numerous than the ancestors of the dinosaurs, known as archosaurs.
研究霸王龙的科研人员在研究其他种类的恐龙，甚至是在研究一些现存的动物上很占优势，这也就使得霸王龙广受欢迎。
Researchers studying tyrannosaurs have had a leg up over those working on other dinosaurs-and even some extant animals-given T. rex's wide popularity.
他们在那儿看到不同种类的恐龙模型。
象绝对要比我们与非洲的联系更紧密，他们属于被称为非洲兽总目(Afrotheria)——其祖先恐龙时代在非洲生存——的远古种类。
Elephants are more truly African than we are, being members of an ancient group known as the Afrotheria, whose ancestors lived in Africa at the time of the dinosaurs.
鸟类是陆生脊椎动物中分支最多的群体，拥有将近10000个不同的种类，有科学家认为鸟类是直接从恐龙进化而来的，这种想法并不新鲜。
The idea that birds—the most diverse group of land vertebrates, with nearly 10, 000 living species—descended directly from dinosaurs isn't new.
其他种类的大型肉食恐龙可能也残食同类。
Other large carnivorous dinosaurs likely also engaged in cannibalistic feeding behaviors.
当然可以。有一个地下恐龙世界。在那儿你能看到许多种类的恐龙(化石)。我们先去看一下恐龙好吗？
Yes, of course. There is an underground dinosaur World. there you can see the fossils of many kinds of dinosaurs. Shall we go to visit the dinosaurs first?
今天我们要一起学习不同种类的动物，例如恐龙。
Today, well today we're going to learn about different kinds of animals.
南阳恐龙蛋化石群是目前全国范围内发现面积最大、数量最多、种类最全的恐龙蛋化石群。
Nanyang dinosaur egg fossil is found throughout the largest area, the number and types of the most complete dinosaur egg fossil.
当时有许多不同种类的恐龙，其中有很多种类曾经生活在中国。
There were many different kinds of dinosaur and a number of them used to live in China.
当时有许多不同种类的恐龙，其中有很多种类曾经生活在中国。
There were many different kinds of dinosaur and a number of them used to live in China.
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