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。
—— 《牛津词典》
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
—— 《柯林斯英汉双解大词典》
3·Crocodiles are reptiles.
鳄鱼是爬行动物。
4·Turtles are reptiles with shells.
海龟是带壳的爬行动物。
5·Snakes, turtles, and crocodiles are reptiles.
蛇，龟和鳄鱼都是爬行动物。
1·Birds and reptiles worked together at once.
曾经鸟和爬行类共同协作。
2·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。
3·Dr Haussler wants to sequence 10,000 vertebrates, a sixth of the total number of species of fish, amphibians, reptiles, birds and mammals.
Haussler博士想测序1万种脊椎动物的基因组，这个数目也即是包括鱼类，两栖类，爬行类，鸟类和哺乳动物等所有物种总数的六分之一。
4·If Archaeopteryx was a dinosaur, this means flight evolved at least four times in vertebrates: in reptiles, birds, dinosaurs, and most recently in bats.
如果“始祖鸟”是一只恐龙，这意味着飞行能力在脊椎动物史里进化了至少4次：爬行类、鸟类、恐龙，还有最近的一次——蝙蝠。
5·There are more than 200 species of native birds, mammals and reptiles in the largesf collection of Australian wildlife.
最大的澳洲野生动物园有200多种当地鸟类、哺乳类和爬行类两栖动物。
1·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。
2·Scientists searching for reptiles and amphibians captured the photogenic insects on film-and later were surprised to learn they'd discovered four new species of the genus Xylospinodes.
在搜寻爬虫类和两栖类的时候，科学家们抓拍到了这只昆虫，随后，他们又令人惊讶的发现了四种Xylospinodes属竹节虫的新品种。
3·Among the several subclasses (or "orders" in biology) of reptiles are snakes and lizards, turtles and tortoises, crocodiles and alligators, and the tuatara, a marine lizard in New Zealand.
在几个亚纲（或生物学的“目”）的爬虫类中，有蛇和蜥蜴、乌龟和陆龟、鳄鱼和短吻鳄以及虫蜥蜴——一种现存于新西兰的海蜥蜴。
4·Though not nearly as large as these mighty reptiles, the lowly chameleon nonetheless has amazed countless generations with its special talents and skills.
虽然和这些巨大的爬虫类在体型上相去甚远，低姿态的变色龙仍然以牠特殊的才能和技巧让无数个世代的人感到惊异。
5·The dinosaurs, too, belonged to the class of reptiles.
恐龙也同样属于爬虫类。