| 单词 | 爬行动物 |
| 释义 | 〔rhynchocephalian〕Of or belonging to the Rhynchocephalia, an order of mostly extinct lizardlike reptiles.喙头目的：喙头目的或属于它的，一种几乎灭绝的象蜥蜴一样的爬行动物目〔reptile〕Any of various cold-blooded, usually egg-laying vertebrates of the class Reptilia, such as a snake, lizard, crocodile, turtle, or dinosaur, having an external covering of scales or horny plates and breathing by means of lungs.爬行动物：一种爬行纲的冷血的、通常是卵生的脊椎动物，例如蛇、晰蜴、鳄鱼、乌龟或恐龙，具有鳞状外皮或角质板块结构并用肺进行呼吸〔pterosaur〕Any of various extinct flying reptiles of the order Pterosauria, including the pterodactyls, of the Jurassic and Cretaceous periods, characterized by wings consisting of a flap of skin supported by the very long fourth digit on each forelimb.翼龙：任一种已灭绝的翼龙目能飞行的爬行动物，包括翼手龙，它们生活在侏罗纪和白垩纪之间的那段时期，翅膀由一块由每个前肢中非常长的脚趾支撑的皮构成〔hallux〕A homologous digit of a bird, a reptile, or an amphibian. In birds, it is often directed backward.后趾：鸟、爬行动物或两栖动物类似的一个趾头，对鸟而言它通常向后〔ichthyosaur〕Any of various extinct fishlike marine reptiles of the order Ichthyosauria of the Triassic Period to the Cretaceous Period, having a porpoiselike head and an elongated, toothed snout.鱼龙：三叠纪至白垩纪间的属于鱼龙目的水生爬行动物中的任一种，现已绝迹，该动物头象海豚，喙长，有牙〔blink〕reptiles nictitating;爬行动物眨眼睛；〔archaeopteryx〕An extinct primitive bird (genusArchaeopteryx ) of the Jurassic period, having lizardlike characteristics, such as teeth and a long, bony tail. It may represent a transitional form between reptiles and birds. 始祖鸟：已灭绝的侏罗纪时期原始鸟类(始祖鸟目 属)，具有类似蜥蜴的特征，如牙齿及长而多骨的尾巴。它可能代表了爬行动物与鸟类间的转变形式 〔sauropterygian〕Any of various extinct aquatic reptiles of the superorder Sauropterygia that flourished during the Mesozoic Era and included the plesiosaurs.鳍龙：各种在中生代时期大量繁殖的鳍龙亚目已灭绝水生爬行动物，包括蛇颈龙〔amnion〕A thin, tough, membranous sac that encloses the embryo or fetus of a mammal, bird, or reptile. It is filled with a serous fluid in which the embryo is suspended.羊膜：一层薄的、坚韧的膜囊，可包住哺乳动物、鸟类或爬行动物的胚胎或婴儿，膜囊被羊水充满，胚胎悬浮其中〔general〕generic differences between birds and reptiles;鸟类和爬行动物之间的一般性区别；〔archosaur〕A reptile of the subclass Archosauria, which includes the dinosaurs, pterosaurs, and the modern crocodilians.初龙，古龙，祖龙：初龙亚纲的爬行动物，包括恐龙、翼龙和现代的鳄鱼〔trilocular〕Having three chamberlike divisions or cavities, as the capsule of a plant or the heart of a reptile.有三室的：有三个室状的部分或空腔的，如植物的孢蒴或爬行动物的心脏〔crocodilian〕Any of various reptiles of the order Crocodylia, which includes the alligators, crocodiles, caimans, and gavials.鳄目动物：任一种鳄目的爬行动物，包括有短吻鳄、鳄、凯门鳄以及长吻鳄〔therapsid〕Any of various reptiles of the order Therapsida of the Permian and Triassic periods, many of which are considered to be direct ancestors of mammals.兽孔类：二叠纪和三迭纪的兽孔类爬行动物中的一种，它们中的许多种被认为是哺乳动物的直接祖先〔calcific〕Producing salts of lime, as in the formation of eggshells in birds and reptiles.产生石灰盐基的：产生石灰盐的，如鸟壳和爬行动物卵壳的形成〔slough〕The dead outer skin shed by a reptile or an amphibian.蜕皮：爬行动物或两栖动物蜕下的死皮〔herpetology〕Greek herpeton [reptile] from herpein [to creep] 希腊语 herpeton [爬行动物] 源自 herpein [爬] 〔pterodactyl〕New Latin Pterodactylus [reptile genus] 新拉丁语 Pterodactylus [爬行动物的属] 〔amniote〕Any of a group of vertebrates that have an amnion during embryonic development, including reptiles, birds, and mammals.脊椎动物，羊膜动物：任一种在胚胎发育期间有羊膜的脊椎动物，包括爬行动物、鸟类和哺乳动物〔poikilotherm〕An organism, such as a fish or reptile, having a body temperature that varies with the temperature of its surroundings; an ectotherm.冷血动物；变温动物：一种体温随周围环境的温度变化的生物体，如鱼或爬行动物；变温动物〔scale〕One of the many small, platelike dermal or epidermal structures that characteristically form the external covering of fishes, reptiles, and certain mammals.鳞：一种覆盖在鱼、爬行动物和某些哺乳动物体表的典型的小盘状表皮结构〔crawler〕One that crawls, especially an early form of certain insect larvae.爬行动物：爬行的东西，尤指某些昆虫幼虫的早期形体〔brained〕small-brained reptiles.头脑简单的爬行动物〔crocodile〕Any of various large aquatic reptiles, chiefly of the genusCrocodylus, native to tropical and subtropical regions and having thick, armorlike skin and long, tapering jaws. 鳄鱼：任一种原产于热带和亚热带地区的鳄 属大型水栖爬行动物，生有厚的、甲状皮肤以及长而逐渐变细的尾巴 〔melanophore〕A pigment cell that contains melanin, especially as found in the skin of amphibians and reptiles.黑素细胞：含有黑色素的色素细胞，尤指两栖动物或者爬行动物皮肤中的黑色素细胞〔melatonin〕A hormone derived from serotonin and produced by the pineal gland that stimulates color change in the epidermis of amphibians and reptiles but whose function in mammals is not clear.降黑素：由松果体产生且来自血清素的一种激素，能刺激两栖动物和爬行动物表皮颜色的变化，但这种激素的作用对哺乳动物不明显〔claw〕A sharp, curved nail on the toe of a mammal, reptile, or bird.爪：哺乳动物、爬行动物或鸟脚趾上的尖锐、弯曲的指甲〔vertebrate〕A member of the subphylum Vertebrata, a primary division of the phylum Chordata that includes the fishes, amphibians, reptiles, birds, and mammals, all of which are characterized by a segmented spinal column and a distinct, well-differentiated head.脊椎动物：脊索动物门的一个原始分支，属于脊椎动物分门的一种动物，包括鱼类、两栖动物、爬行动物、鸟类和哺乳动物，其共同特征是都有节段的脊柱和很明显的、分化的头部〔alligator〕Either of two large reptiles,Alligator mississipiensis of the southeast United States or A. sinensis of China, having sharp teeth and powerful jaws. They differ from crocodiles in having a broader, shorter snout. 短吻鳄：两种大型爬行动物，美国东南部的密西西比鳄 或中国的 扬子鳄 中一种，它们有尖利的牙齿和有力的颚部。和一般鳄鱼相比它们有更宽，更短的鼻子 〔gavial〕A large reptile(Gavialis gangeticus) of southern Asia, related to and resembling the crocodiles and having a long, slender snout. Also called gharial 印度食鱼鳄：一种（印度食鱼鳄） 巨大的爬行动物生于南亚，与鳄鱼近缘并且相似，有长而细的鼻子 也作 gharial〔reptilian〕Resembling or characteristic of a reptile.像爬行动物似的：类似或具有爬行动物特征的〔lizard〕Leather made from the skin of one of these reptiles.蜥蜴皮：这些爬行动物外皮所制成的皮革〔hatchling〕A newly hatched bird, amphibian, fish, or reptile.新孵化的鸟、两栖动物、鱼或爬行动物〔saurian〕Of, belonging to, or characteristic of the Sauria.蜥蜴的：蜥蜴的、属蜥蜴目爬行动物的、或蜥蜴特征的〔blastoderm〕The layer of cells that develops on the surface of the yolk in an avian or reptilian egg and gives rise to the germinal disk from which the embryo develops.胚盘：鸟蛋或爬行动物卵的蛋黄表面的细胞层，胚盘由此形成，胚胎从胚盘发育〔scalation〕An arrangement of scales, as on a fish or reptile.鳞片排列形状：鳞片的排列方式，如鱼类或爬行动物的鳞片排列〔plesiosaur〕A large extinct marine reptile having paddlelike limbs that was common in Europe and North America during the Mesozoic Era.蛇颈龙属：常见于欧洲和北美洲中生代，有桨状肢已灭绝的一种大型海洋爬行动物〔pterodactyl〕Any of various small, mostly tailless, extinct flying reptiles of the order Pterosauria that existed during the Jurassic and Cretaceous periods.翼手龙：任一种小型已灭绝的翼龙目的飞行爬行动物，它们绝大多数都没有尾巴，生活在侏罗纪和白垩纪之间的那段时期〔ophiology〕The branch of herpetology that deals with snakes.蛇类学：爬行动物中的研究蛇类学科的分支〔serpent〕A reptile of the order Serpentes; a snake.蛇：蛇亚目的爬行动物；蛇 |
| 随便看 |
|
学习网英语词汇栏目收词371507余条，连同派生词、复合词、词组和习语等。每个词条提供了音标、词性、释义、用法、搭配和同（近）义词等多项功能，对所收词汇进行全方位的解释和说明，内容丰富，功能全面。