用英语描写蛇

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导语：听到蛇这个名字,一定会让你毛骨悚然,心惊胆寒。俗话说:“一日被蛇咬,十年怕井绳”。的确,蛇那光滑的外表,充满杀机的大舌头,着实让人害怕,下面是我为大家整理的英语作文，希望对大家有所帮助。更多相关的'知识，请关注CNFLA学习网! the snake is a long and thin animal that lives in grass or other dark places. 蛇是一种又长又瘦的动物，生活在草丛里和阴暗的地方、a snake has no legs or feet, but it can move very fast on its stomach.蛇没有腿和脚，靠胃部飞快的移动前进。 snakes usually have green, yellow or black skins, which make them difficult for their enemies to find them. 蛇常常有绿色，黄色和黑色的皮肤，使得敌人很难找到他们。some kinds of snakes live in water. they can swim as freely as fish.有些蛇生活在水里，他们能像鱼一样飞速的游移。 snakes are cold-blooded animals. in winter they hibernatein holes which are narrow enough only to hold the snakes' bodies. the snakes can sleep through a whole winter without eating and moving. they can not feel any pain. the hibernation period lasts about five months. when spring comes, the snakes come out and begin their normal life. snakes can take many things as food, such as mice, sparrows, frogs,birds' eggs, pests and so on. people sometimes can see a snake eat a sparrow. first it moves close to the sparrow, then it puts out its tongue and brings the sparrow into its mouth and swallows it, which makes a lump in the snake's body. after some time the lump disappears. as snakes are dreadful-looking, people are afraid of them. many people drive them away whenever they see snakes. but in chinese fairy tales, snakes are by no means bad. they seem to have human feelings. they can change into pretty girls. people like and respect them. the most well-known is the story about the white snake and the blue snake. in fact, snakes are not as dreadful as they look. they can help us to kill mice and pests. they can provide us with delicious meat. their blood is a good drink. poisonous snakes are especially useful. we can make valuable drugs with them.

Snake is a kind of animal whose body temperature changes with temperature, because the snake itself has no perfect body temperature regulation mechanism to produce and maintain a constant body temperature.

蛇是一种体温随气温而变的变温动物，因为蛇本身没有完善的体温调节机制来产生和维持恒定的体温。

Snakes are carnivorous animals. They eat many kinds of animals, from invertebrates to all kinds of vertebrates. It is distributed in all parts of the earth except the north and south poles.

蛇是肉食性动物，所吃的动物种类很多，从无脊椎动物到各类脊椎动物。分布于地球上除南北极以外的所有地方。

Snakes are a special group of organisms that have evolved over 130 million years and play an important role in maintaining ecological balance.

蛇是历经1.3亿年的漫长进化发展而成的一个特殊生物类群，对维护生态平衡有着重要作用。

扩展资料

蛇是爬行纲动物演化史中最迟出现的类群，最早的蛇化石出土于距今七千多万年的中生代白垩纪地层内。蛇和蜥蜴的亲缘关系密切，许多学者经过研究发现：较原始的细盲蛇科的蛇中，体鳞呈覆瓦状排列，腹鳞小而分化不明显；上颌骨、腭骨、翼骨等颅骨密接，方骨短，限制了蛇嘴的极度张开；下颌保留着冠状骨；有乌喙骨和腰带骨。

巨蜥科的分叉之舌，以及美洲鬣蜥科（Iguanidae）的椎骨结构和血红蛋白经蛋白酶水解所产生的肽类指纹图等，均与蛇相似。更有甚者的是蜥蜴目中不但具有四肢退化而呈蛇形的蛇蜥科、蚓蜥科的种类。

并且还能在不同类型的蜥蜴之间看到其肢体长度比例上逐渐缩短直至萎缩消失的过程。这些实例都无可争辩地证实了蛇是渊源于蜥蜴，并循着身体延长和丧失四肢演化而从蜥蜴主干上所分化出的一个分支。