1. 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。
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2. All reptiles have to slough their skin to grow.
所有爬行动物都必须自然脱皮才能成长
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3. Turtles are reptiles with shells.
海龟是带壳的爬行动物。
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4. Are most reptiles afraid of cats?
大多数爬行动物会怕猫吗？
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5. Crocodiles are reptiles.
鳄鱼是爬行动物。
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6. Birds and reptiles worked together at once.
曾经鸟和爬行类共同协作。
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7. The reptiles were once on top of the world.
爬行动物曾经位居食物链顶端。
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8. Snakes, turtles, and crocodiles are reptiles.
蛇，龟和鳄鱼都是爬行动物。
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9. This is more typical of mammals than of reptiles.
相比于爬行动物，哺乳动物的这一特性更加典型。
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10. 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。
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11. 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。
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12. 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。
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13. 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。
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14. 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。
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15. 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。
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16. 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。
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17. 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。
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18. 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.
19. 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.
