Most reptiles reproduce by laying eggs on land.
大多数爬行动物通过在陆地产卵进行繁殖。
Turtles are reptiles with shells.
海龟是带壳的爬行动物。
鳄鱼是爬行动物。
Birds and reptiles worked together at once.
曾经鸟和爬行类共同协作。
Snakes, turtles, and crocodiles are reptiles.
蛇，龟和鳄鱼都是爬行动物。
The Giant Toad and Andean Iguana are some examples of reptiles.
巨型蟾蜍和安第斯鬣蜥是爬行动物的代表。
In that sense, they are closer to mammals' brains than other reptiles' brains.
从那种意义上来说，比起其他爬行动物的大脑它们更接近哺乳动物的大脑。
Although scales typically cover reptiles, the pterosaurs probably had hairy coats.
虽然爬行动物身上通常都有鳞片，但翼龙的皮可能有很多毛。
Crocodiles have a similar level of, vocal sophistication, which makes them unique among reptiles.
鳄鱼也有类似的声音，这使得它们在爬行动物中变得独一无二。
Long before Man lived on the Earth, there were fishes, reptiles, birds, insects, and some mammals.
在人类出现很早以前，地球上就出现了鱼类、爬虫类、鸟类和一些哺乳动物。
Because they were bipedal, their arms were free to evolve flapping flight, which cannot be said for other reptiles of their time.
因为它们是两足动物，它们的手臂可以自由地进化出拍打的翅膀，这在当时的爬行动物中是不可能的。
Although modern reptiles generally do not form fibro-lamellar bone, juvenile crocodiles raised under optimal environmental conditions do.
虽然现代爬行动物一般不会形成纤维板层骨，但在最佳环境下长大的幼年鳄鱼却能形成纤维板层骨。
Bone growth in reptiles is periodic in nature, producing a series of concentric rings in the bone, not unlike the growth rings of a tree.
爬行动物的骨骼生长在本质上是周期性的，在骨头上产生一系列的同心圆，就像树木的年轮一样。
It swims farther into the cold of the northern and southern oceans than any other sea turtle, and it deals with the chilly waters in a way unique among reptiles.
其他海龟都不能游到它所能游到的寒冷的北部和南部海域，而且它处理寒冷水域的方式在爬行动物中是独一无二的。
In the 1980's, however, Bakker's contention began to be questioned, as a number of scientists found growth rings in the bones of various dinosaurs that are much like those in modern reptiles.
然而，到了20世纪80年代，巴克的论点开始受到质疑，因为许多科学家在各种恐龙的骨骼中发现了与现代爬行动物相似的生长环。
It is a family of reptiles of the order pelycosaur ia.
这是盘龙目爬行动物的一科。
But birds don't have 'em, nor do reptiles or fish.
但是鸟类没有血小板，爬行动物和鱼类也没有。
Most reptiles carry salmonella bacteria, for example.
比如，多数爬行动物都携带沙门氏菌。
Some reptiles can regrow their tails when they are cut away.
有些爬行动物的尾巴被割掉后可以重新长出来。
Its tibias were stouter and fibulas more bent than those of most reptiles.
它的胫骨很结实，而它的腓骨则要比大部分的爬行动物更加弯曲。
First, the reptiles had to learn how to extract a tasty grub from a container.
首先，安乐蜥要学习如何从某一容器中获取一份美味可口的食物。
In addition, some species, especially reptiles, are hunted or reared for their hides.
另外，人们猎取或养殖一些动物，尤其是爬行动物，以利用其皮革。
The reptiles first appear in the fossil record around 98 million years ago, Wilson said.
Wilson说，这种爬行动物在化石记录里最早出现于9800万年前。
Birds and mammals invest in quality and not quantity, as opposed to fish and reptiles.
鸟类和哺乳类靠质生存,而非以量取胜，这与鱼类和两栖类不同。
Bird evolved from reptiles, so the first bird must have come out of an egg — laid by a reptile.
禽类是由爬虫类进化而来，所以，第一只禽鸟肯定是从爬虫类孵化的蛋里出来的。
They were followed by the emergence of fish, reptiles, mammals, ferns, conifers and flowering plants.
在这之后出现了鱼类，爬行类，哺乳动物，蕨类，针叶树和开花的植物。
To Virginia Tech biologist Jake Socha, these curious reptiles are something of a biomechanical wonder.
对于弗吉尼亚理工大学的生物学家杰克索洽来说，这些稀奇的爬行动物是生物力学中的奇迹。
To Virginia Tech biologist Jake Socha, these curious reptiles are something of a biomechanical wonder.
对于弗吉尼亚理工大学的生物学家杰克索洽来说，这些稀奇的爬行动物是生物力学中的奇迹。
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