Slithery Snakes
美音、自然拼读、分级阅读与词汇复习
Table of Contents Introduction.
导言表。
4 Snake Traits.
四蛇特质。
6 Hunting and Eating.
6 猎取与取食.
11 How Snakes Are Born.
11"蛇出世"(How Snakes Are Born).
12 Venomous Snakes.
十二阴行蛇.
13 Conclusion.
13 结论。
15 Glossary.
15 词汇。
16 Introduction Snakes are reptiles.
16 导言蛇为爬行动物.
There are several thousand kinds of snakes.
有千有百千种蛇相.
They live in oceans, in trees, and on land, and they survive in unusual ways.
它们生活在海洋、树木和陆地上,它们以不同寻常的方式生存。
There are thousands of kinds of snakes in the world, but only a few hundred are dangerous.
天下有上千种之蛇相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相相去相去相去相去相去相
Wild snakes live almost everywhere on Earth except Antarctica and some islands.
除南极洲和一些岛屿外,野生蛇几乎生活在地球上的任何地方.
Some wild snakes may live as long as twenty-five years.
有的野生蛇可能活到25岁.
NORTH AMERICA SOUTH AMERICA PACIFIC OCEAN PACIFIC OCEAN INDIAN OCEAN ATLANTIC OCEAN ASIA AUSTRALIA ANTARCTICA AFRICA EUROPE Where Snakes Live Land snakes Sea snakes Biggest and Smallest The largest snake is the green anaconda.
北美 南美洲 太平洋 印度洋 印度洋 澳大利亚 非洲 欧洲 蛇活在陆地上 大而小的海蛇 最大的蛇是绿色的Anaconda.
A full-grown green anaconda can be close to 10 meters (33 ft.)
出土的全长绿色角膜可接近10米(33英尺).
long and weigh more than 230 kilograms (507 lb.)
长而重230多公斤(507磅)
One of the smallest snakes is the thread snake.
一条最小的蛇是线蛇.
It is only about 12 centimeters (4 in.)
它只有约12厘米(4英寸).
long.
长.
Snake Traits Snakes are cold-blooded.
蛇特质 蛇为冷血.
Their body temperature changes with the temperature around them.
它们的体温随周围的温度而变化.
Snakes find sunshine to stay warm.
蛇会找到阳光保持温暖
They find shade to stay cool.
他们找到阴凉 保持冷静。
During winter, some snakes stay underground or under rock piles to stay warm.
在冬季,有的蛇会停留在地下或岩石堆下以保持温暖.
Snakes also rest in groups to share body heat.
蛇还分群休息以分享体热.
The red-sided garter snakes of Canada hibernate in bunches during the winter.
加拿大红边吊带蛇在冬季会被打成堆.
They come out in the spring.
他们在春天出来。
Snakes have long backbones.
蛇有长骨.
Their backbones have many separate bones, which lets them move in many ways.
他们的骨干有许多独立的骨骼,这使得他们在许多方面移动.
A snake’s body is covered in scales.
蛇的身体被鳞片覆盖.
The scales protect it.
天平保护它。
They also help keep the snake dry.
它们也帮助保持了蛇干.
The scales grow from its skin.
鳞从皮而生.
Snakes use their scales and muscles to move.
蛇用鳞和肌肉来行走.
The scales on their belly grab the surface beneath them.
肚子上的鳞片抓住了下面的地表
Their muscles help them move along the ground.
他们的肌肉帮助他们沿地行走.
Some snakes even use their muscles and scales to climb trees.
有些蛇甚至会用肌肉和鳞片来爬树.
Snake scales are similar to human fingernails.
蛇鳞与人类指甲相似.
Snake scales look like a single sheet of skin.
蛇鳞外观为单片皮.
Snakes don’t shed skin.
蛇不会掉出皮肤。
Instead, they shed the outer layers of their scales up to four times per year.
相反,它们每年将天平的外层降出4次。
This is called molting.
这叫"倒地"
When molting, snakes rub against something like a rock or log.
倒地时,蛇会用石头或木头等来摩擦.
This helps their outer layer stretch and split.
这有助于他们的外层伸展和分裂.
Young snakes shed more because they grow fast.
年轻的蛇会因为长得快而掉出更多.
Snakes also shed to get rid of pests on their scales.
蛇还放出去除鳞片上的害虫.
It can take up to fourteen days for some snakes to shed.
一些蛇出走需要14天的时间.
Snakes have clear scales instead of eyelids.
蛇有明显的鳞片而不是眼皮.
The scales keep their eyes from drying out.
鳞片能防止眼睛干燥.
Snakes cannot blink.
蛇不会眨眼
Snakes do not have ears you can see.
蛇没有你可以看到的耳朵。
Instead, sound passes through their jaws to their inner ears, which sends the sound to their brain.
相反地,声音通过下巴传递到内耳上,将声音传递到大脑.
Snakes’ eyes adapt to daylight or night.
蛇的眼睛适应了白天或夜晚。
Another important feature of a snake is its tongue.
蛇的另一个重要特征是它的舌头.
Snakes use their tongue to smell.
蛇用舌来闻.
Smells in the air stick to their tongue.
气中气味粘住舌头.
They identify the smell using special sacs behind their nose.
它们在鼻子后用特殊的囊来识别出气味.
Some snakes can sense the heat of animals nearby.
有些蛇能感觉到附近动物的发热.
Pits near the snake’s eyes sense heat.
靠近蛇眼的坑会感觉到热.
These snakes can tell how far away something is in the dark when they hunt.
这些蛇在打猎时能分辨出什么东西在黑暗中有多远.
A snake’s tongue tells it where a smell is coming from.
蛇的舌头告诉它从哪里来的味道。
Hunting and Eating Snakes are meat eaters.
猎取和吃蛇是吃肉的.
Some snakes inject venom when biting prey.
有些蛇咬猎物时会注射毒液.
Other snakes squeeze prey to death.
其他蛇会把猎物挤死
Some snakes swallow prey alive.
有些蛇会活吞猎物
Most snakes’ jaws are loosely connected.
大部分蛇的下巴连接松散.
This lets snakes open their mouth wide to swallow large prey.
这让蛇张开口来吞噬大型猎物.
Snakes’ fangs and other teeth point backward, helping push food toward their throat.
帮助将食物推向喉咙。
Snakes have a breathing tube that they push out of their mouth.
蛇有呼吸管,从口中推出.
This lets them breathe when they swallow prey.
这让他们在吞食猎物时呼吸.
Muscles move it to the stomach.
肌肉移取入胃.
Stomach acids turn prey into liquid so the snake can digest it easier.
胃酸会把猎物变成液体,使蛇更容易消化.
A green anaconda digests its prey.
绿色的角膜会消化它的猎物
How Snakes Are Born Most female snakes that live in cold areas lay eggs in late spring or early summer.
蛇是如何诞生的 大部分生活在寒冷地区的雌性蛇会于春季后期或夏季初产卵.
Snakes that live in warmer areas may mate at any time of year.
生活在更温暖地区的蛇每年的任何时间都可以交配.
Baby snakes may grow sharp teeth to cut through the eggs.
婴儿蛇会长出尖牙来切入卵.
Once they hatch, they must survive on their own and face many dangers.
一旦孵出,它们必须靠自己生存,并面临许多危险.
Some female snakes keep eggs inside their body until they hatch.
有些雌性蛇会把卵留在体内直到孵出.
Then they give birth to live babies.
后生活胎.
Baby snakes hatch by biting through their shell.
婴儿蛇通过咬穿外壳孵出.
Venomous Snakes Venom is a dangerous liquid.
恶毒蛇 病毒是一种危险的液体。
Some snakes inject venom when they bite with their fangs.
有的蛇用牙咬后会注射毒液.
Venom is made in sacs behind the snake’s eyes.
阴道由蛇眼后塞而成.
It flows through the snake’s fangs from these sacs.
它流出蛇的尖牙 从这些圣杯。
Eastern diamondback rattlesnake Venom flows from a snake’s venom sacs through its fangs.
东方金刚背响尾蛇 毒液会从蛇的毒囊中流出,
Snakes use venom to defend and attack.
蛇用毒来防御并出击.
Snakes usually inject more venom when biting in defense.
蛇在被咬防时通常会注入更多的毒液.
The venom paralyzes their prey.
毒液使猎物瘫痪.
Some snakes inject venom and let the prey go.
有的蛇会注射毒液,放走猎物.
Then they follow the prey until it dies.
然后他们跟踪猎物直到它死去
Other snakes use their teeth or body to hold on to prey until it dies.
其他蛇会用牙齿或身体来抓活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活活
Then they eat it.
然后他们吃了它。
Snakes do not chew prey.
蛇不会咬猎物
Instead, they swallow it whole.
相反,他们完全吞下它。
Venom versus Poison Venom and poison are not the same thing.
阴通相与毒相与毒相同.
Poison is absorbed through the skin, eaten, or inhaled.
毒性通过皮肤被吸收,被食用或被吸入.
Venom is injected into the victim through a bite or sting.
阴道通过被咬或被刺入受害者体内.
Conclusion Snakes are amazing hunters.
蛇是惊人的猎人。
They have survived almost everywhere.
他们几乎在任何地方幸存下来。
Snakes are unusual animals that play an important role in our environment.
蛇是非同寻常的动物,在我们的环境里发挥着重要作用.