棱皮龟没有鲸脂，但它们有和爬行类动物相似的结构：厚且含油的皮肤，下面有一层纤维，再下面是脂肪组织。
Leatherbacks do not have blubber, but they do have a reptilian equivalent: thick, oil-saturated skin, with a layer of fibrous, fatty tissue just beneath it.
于他而言，爬行类动物一点不可怕，反而是乐趣。
但是防御性的人们不是按人的方式思考，而是按爬行类动物方式。
But defensive people don't think like humans. They think like reptiles.
过去十年间，全球范围i内已发现200多种无脚蜥蜴和大约50种爬行类动物。
The animal joins more than 200 legless lizard species and about 50 other new reptiles discovered worldwide in the past decade.
巨大的爬行类动物在崎岖的峡谷中潜行，搜寻猎物，把绛德兰荒地变得更加危险。
Making the Jundland Wastes all the more dangerous are immense reptiles stalking the craggy canyons in search of prey.
没有四肢不仅更适合游泳，也更适合钻洞。这也引发了关于爬行类动物进化的问题。
Not only is it more efficient to swim without limbs, burrowing without legs is also better, and this raises questions about the twists and turns of reptilian evolution.
在奥陶纪、志留纪、泥盆纪、石炭纪，相继出现低等鱼类、古两栖类和古爬行类动物。
In the Ordovician, Silurian Period, the Devonian, Carboniferous, the advent of low amphibians and ancient ancient reptiles.
翼龙属可飞行的爬行类动物，生活在大约在2.1亿年至6500万年之前，与恐龙生活在同一时期。
Pterosaurs are flying reptiles that lived at the same time as dinosaurs, between 210 million and 65 million years ago
但是，由于在陆地上不需要这样的电子磁场探测系统，爬行类动物，鸟类和哺乳动物都渐渐失去了这一功能。
However, over the years reptiles, birds and mammals lost their electrosense as it wasn’t needed for life on terra firma.
龙是传说的生物，典型的如蛇般蜿蜒，或者具有爬行类动物的特征，在众多文明的神话中都是主角。
Dragons are legendary creatures, typically with serpentine or otherwise reptilian traits, that feature in the myths of many cultures.
绒毛膜：在爬行类动物、鸟类及哺乳类动物中包含胚胎的外膜，在有胎盘哺乳动物中与胎盘的发育有关。
Chorion: the outer membrane enclosing the embryo in reptiles birds and mammals. in placental mammals it contributes to the development of the placenta.
绒毛膜：在爬行类动物，鸟类及哺乳类动物中包含胚胎的外膜，在有胎盘哺乳动物中与胎盘的发育有关。
Chorion: the outer membrane enclosing the embryo in reptiles birds and mammals. in placental mammals it contributes to the development of the placenta.
绒毛膜：在爬行类动物、鸟类及哺乳类动物中包含胚胎的外膜，在有胎盘哺乳动物中与胎盘的发育有关。
Chorion: the outer membrane enclosing the embryo in reptiles, birds, and mammals. In placental mammals it contributes to the development of the placenta.
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.
现如今，科学家们认为，这种已经灭绝的、可飞行的爬行类动物的翼展可达到7米长，比先前的设想要长2米或者3米。
It now has scientists thinking the extinct flying reptile had a wingspan of up to seven metres, two or three metres bigger than previously thought.
恐龙一种，主要生活在中生代时期的陆栖动物，是庞大的食肉或食草爬行类动物，属龙盘目与鸟盘目，已绝种。
Dinosaur, any of various extinct, often gigantic, carnivorous or herbivorous reptiles of the orders saurischia and ornithischia that were chiefly terrestrial and existed during the Mesozoic era.
一些科学家近期在美国阿拉斯加州南部发现一组史前海洋爬行类动物化石。它可能是迄今保存最为完整的爬行类动物化石。
Alaska scientists have discovered the fossil of a rare, prehistoric Marine reptile that is likely the most complete remnant of the creature ever found in North America.
由融合的绒毛膜和尿囊组成的富含血管的胎膜组织，存在于爬行类动物和鸟类的蛋壳附近，并且构成大多数哺乳动物的胎盘。
The highly vascular fetal membrane that consists of the fused chorion and allantois, found adjacent to the eggshell in reptiles and birds and constituting the placenta in most mammals.
这种爬行类动物仍然在联邦濒危动物法案的保护之下，即使它已经退下了濒危动物的行列；骚扰，偷猎或杀死它，仍是违法的。
The reptile remains protected under the federal Endangered species Act even though it was downgraded to a "threatened" species, making it illegal to harass, poach or kill the reptiles.
绒毛膜尿囊由融合的绒毛膜和尿囊组成的富含血管的胎膜组织，存在于爬行类动物和鸟类的蛋壳附近，并且构成大多数哺乳动物的胎盘。
The highly vascular fetal membrane that consists of the fused chorion and allantois found adjacent to the eggshell in reptiles and birds and constituting the placenta in most mammals.
更令人惊讶的是，这种学名Leiolepisngovantrii的爬行类动物十分与众不同。其性别全部为雌性，而繁殖手段竟然是克隆！
What's more, the newfound Leiolepis ngovantrii is no run-of-the-mill reptile—the all-female species reproduces via cloning, without the need for male lizards.
当研究人员对科摩·多龙做磁共振成像(MRI)测试时，他们在科摩·多龙的下颚中发现了他们称之为目前已知的、结构最复杂的爬行类动物毒液腺。
When the researchers performed an MRI of a dragon, they found in its jaws what they called the most structurally complex reptile venom gland known.
新西兰鳄蜥就面临着这种孤独而又可怕的命运。一个新的研究表明，随着温度持续上升，这个濒临灭绝的爬行类动物到2085年时生育的后代可能都将是雄性。
With rising temperatures, this endangered reptile could produce all male offspring by 2085, guaranteeing its extinction, a new study finds.
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.
展览内容： ?宠物：犬、猫、观赏鱼、观赏鸟、宠物兔、宠物鼠、蜥蜴、蟋蟀及其他爬行类动物等； ?宠物产品：干粮， 罐头，零食，咬骨，营养品，保健品等；
Scope of exhibits : ? pets : dogs, cats, ornamental fishes, ornamental birds, pet rabbits, pet mice, lizards and other reptile pets.
“如果我们只研究鸟类和哺乳动物，那么我们只能从这两类动物中得到信息，”他说，“爬行动物是我们应该研究的另一个独特类别。”
"If we only study birds and mammals, we're only going to learn from those groups," he said. "This is one more distinct group we need to learn about."
鳄类动物鳄类爬行动物，如短吻鳄、凯门鳄或长吻鳄。
A crocodilian reptile, such as an alligator, a caiman, or a gavial.
每一种哺乳动物、鸟类和大多数爬行动物、两栖类动物和鱼类都需要睡眠来维持正常的生命活动。
Each kind of mammals, birds and most reptiles, amphibians animals and fish are in need of sleep to maintain normal life activities.
每一种哺乳动物、鸟类和大多数爬行动物、两栖类动物和鱼类都需要睡眠来维持正常的生命活动。
Each kind of mammals, birds and most reptiles, amphibians animals and fish are in need of sleep to maintain normal life activities.
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