可卡因并不是随便的比喻，爬行类的大脑，神经系统最原始的部分之一，在人类熟睡后生产大量的多巴胺。
And cocaine is more than an idle metaphor. The reptilian brain — one of the nervous system's most ancient parts — floods you with dopamine, just as it does after you snort a line of blow.
尽管同为爬行类的其他恐龙只能在地上跑来跑去，但事实上，翼龙并非真正的恐龙，把它们当作恐龙是个小小的错觉。
Although reptiles like the dinosaurs were plodding on the ground below them, they were not actually dinosaurs themselves - a common misconception.
鱼龙和鲸类的另一点相似在于：不像其他目前存活的卵生爬行类，他们胎生生下后代。
Ichthyosaurs also resembled cetaceans in another way: unlike most living reptiles, which lay eggs, they gave birth to live young.
这种食肉动物已被确认为一种上龙，上龙是一类已经灭绝了的水生爬行动物，有巨大的头骨，粗短的脖子，还有令它们在水里来去自如的四只脚蹼。
The predator has been identified as a new species of pliosaur, a group of extinct aquatic reptiles that had huge skulls, short necks and four flippers to power them through the water.
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。
They were followed by the emergence of fish, reptiles, mammals, ferns, conifers and flowering plants.
鸭嘴兽介于哺乳类与爬行类之间，因为它仍然具备许多爬行动物的特征，如产卵，而这些特征在我们身上已经消失了。
And that puts them somewhere between mammals and reptiles, because they still maintain quite a lot of reptilian characteristics that we've lost, for instance they still lay eggs.
让赖歇特感到吃惊的是，他发现哺乳类的两块耳骨与爬行类颚部的一些骨片相吻合。
He was astonished to find that two of the ear bones in mammals corresponded to pieces of the jaw in reptiles.
这种独特的爬行动物早已成为了全球动物保护者们的圣像，因为它在分类上没有任何近亲，并且被视为最能适应在淡水池塘与河流中生活的龟类。
The unique reptile has become an international conservation icon, due to it having no close relatives and being considered the turtle most adapted to life underwater in freshwater ponds and rivers.
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.
但是，他说，在这些人自鸣得意之前，要知道，他们不过是回到了鸟类、两栖类和爬行类动物已拥有了亿万年的能力。
But before they pat themselves on the back for their superior evolution, he said, it's important to note that humans are just getting back to where birds, amphibians and reptiles have been for eons.
舒宾写道：“结论不可避免：构成爬行类颚部一部分的鳃弓，同样也构成了哺乳类的耳骨。”
Shubin writes: "the conclusion was inescapable: the same gill arch that formed part of the jaw of a reptile formed ear bones in mammals."
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。
If Archaeopteryx was a dinosaur, this means flight evolved at least four times in vertebrates: in reptiles, birds, dinosaurs, and most recently in bats.
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。
Dr Haussler wants to sequence 10,000 vertebrates, a sixth of the total number of species of fish, amphibians, reptiles, birds and mammals.
完成这一集成后，OmniFind便可以在任意数量的指定PortalDocumentManager项目类上爬行、解析、索引和搜索Portal Document Manager知识库。
Upon completing this integration, OmniFind can then crawl, parse, index, and search a Portal Document Manager repository on any number of specified Portal Document Manager item classes.
以保存完整精美、数量巨大的海生爬行类和棘皮动物海百合为标志。
Marine reptiles and echinoderm crinoid that feature intact and delicate preservation and large quantity serve as the mark.
在这些研究过的动物种群中，至少有750种鱼、290种爬行类、150种两栖类面临风险。
Of those studied, at least 750 fish species, 290 reptiles, and 150 amphibians are at risk.
爬行类具有覆盖着鳞片的干燥皮肤。
最后还讨论一些突触的功能以及爬行类前背侧室嵴与哺乳类新皮层之间的关系。
In the end, the functions of some synapses and the relation between ADVR of reptile and the neocortex of mammal were discussed.
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。
There are more than 200 species of native birds, mammals and reptiles in the largesf collection of Australian wildlife.
许多恐龙的足迹显示它们的行动与鸟类和哺乳动物一样快，比一般的爬行类要快得多。
Many dinosaur track - ways show that dinosaurs walked as fast as do birds and mammals, and much more rapidly than can be sustained by reptiles.
这种爬行类异族人的科技像食尸鬼一样，以被迫为奴的人的生命能量为动力。 西鲁人重创巴库拉舰队。
Reptilian aliens with a ghoulish form of technology powered by the life energies of unwilling slaves, the Ssi-ruuk had crippled the Bakuran fleet.
爬行类和鸟类只有很少的心理活动，灵长类有很多，而人类的心理活动就非常多了。
Reptiles and birds have a little bit about it — of it - and primates have a lot and humans have a real lot.
中华鳖的血液循环系统反映了龟鳖类爬行动物的主要特点，与其它龟类比较，略有差异。
The blood circulatory system of the chinese soft shelled turtle is much similar to other turtles, with but a few unique characteristics.
该网站简要介绍BBIS，并且提供如下链接：新热带区蝙蝠信息系统，鸟类、哺乳动物类、鱼类、两栖类和爬行动物类的信息。
This web site introduces the BBIS and provides the following links: Neotropical Bat Information System, Birds, Mammals, Fish, Amphibians, Reptiles.
洞庭湖和鄱阳湖同时是大约300多种鸟类的栖息地，包括一些濒临灭绝的迁徙鸟类，像鹤和鹳；它们还是许多鱼类、哺乳动物、两栖类和爬行类动物的乐园。
Both lakes contain habitat for about 300 species of bird, including endangered migrants like cranes and storks, as well as fish, mammals, amphibians, and reptiles.
皮耶特以为没人能听到，但他的轻蔑之辞还是被博斯克听到了。博斯克是一个高大的爬行类人形生物，技艺娴熟的铁血战士。
Piett thought he was out of earshot, but the disparagement was still heard by Bossk, a towering reptilian humanoid and skilled predator.
我们的色觉依旧是演化改造工程的结果，比起鸟类与许多爬行类及鱼类的四色视觉系统，我们还是少了一个色素。
Ours is still the result of an evolutionary reclamation job and remains one pigment short of the tetrachromatic visual system found in birds and in many reptiles and fish.
我们的色觉依旧是演化改造工程的结果，比起鸟类与许多爬行类及鱼类的四色视觉系统，我们还是少了一个色素。
Ours is still the result of an evolutionary reclamation job and remains one pigment short of the tetrachromatic visual system found in birds and in many reptiles and fish.
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