Where’s Your Hair?
美音、自然拼读、分级阅读与词汇复习
Table of Contents What Makes a Mammal?
内容表 哺乳动物是什么?
4 Hairless Dogs.
四无毛狗.
5 Cool Cats.
5个酷猫.
8 Skinny Pigs and Fancy Rats.
8只瘦猪和花花鼠.
10 Hairless in the Wild.
十无毛入野.
12 Hairless All Around Us.
12个无毛人环绕着我们
15 Glossary.
15 词汇。
16 What Makes a Mammal?
16是什么让一个哺乳动物?
All mammals have certain things in common.
所有哺乳动物都有共同之处
They are warm-blooded, they nurse their young, and most—not all— have hair.
他们有温暖的血液,有幼年的哺乳,大多数——不是所有——有发型。
Some mammals have lots of hair, while others have almost none at all.
有些哺乳动物的发型很多,而另一些则几乎完全没有.
Some mammals—normally hairy—have been bred to be hairless.
一些哺乳动物——通常是有毛的——被培养成无毛的。
Many common pets include hairless breeds.
许多常见的宠物包括无毛品种.
There are hairless dogs, hairless cats, and even hairless guinea pigs.
有去毛的狗,去毛的猫,甚至去毛的豚鼠.
Hairless mammals can be found in the wild, too.
无毛哺乳动物也可以在野外发现.
Look around you.
看看你周围
Hairless animals are everywhere!
无毛动物无所不在!
Hairless Dogs Hairless dogs have a long history.
无毛狗 无毛狗有悠久的历史.
The xolo (SHOW-low) is a hairless dog breed that has been around for more than three thousand years.
xolo (SHOW-low)是一款已经存在了三千多年的无毛狗品种.
Some believe xolos followed early humans when they first moved to Central America.
有些人认为xolos在最初迁移到中美洲时跟随早期人类.
Today, the xolo is the national dog of Mexico.
如今,xolo是墨西哥的国狗.
Peru is home to hairless Inca orchids, one of the rarest dog breeds in the world.
秘鲁是无毛印加兰花的发源地,是世界上最稀有的狗品种之一.
Most hairless Inca orchids have a little tuft of hair on their head.
大部分没有发型 印加兰花头上有一点毛发.
It almost looks like a furry wig!
看起来像毛发!
Not all Inca orchids are hairless, though.
虽然不是所有的印加兰花都是无毛的.
Both hairy and hairless Inca orchids can be found in the same litter.
有毛和无毛的印加兰花都存在于同一起的垃圾中.
How can that be?
这怎么可能?
The answer is genes.
答案是基因。
Genes are instructions for your cells.
基因是给你细胞的指示
They help make you who you are, from the color of your hair to how tall you will grow.
它们帮助你成为自己 从头发的颜色到成长的高度
Genes are passed down from parents to children, but not every child gets the same genes.
基因从父母传给孩子,但不是每个孩子都得到同样的基因.
That’s why siblings often look like their mother and father, but in different ways.
因此兄弟姐妹往往长相像父母,
In the animal world, a hairless dog or cat is also the result of genes.
在动物界,无毛狗或猫也是由基因所生.
If the same hairless gene is passed down over several generations, it can lead to a new hairless breed.
如果同一无毛基因在几代相传下来,可以导致一个新的无毛品种.
Hairless breeds sometimes need help to survive.
无毛品种有时需要帮助来生存.
Since hair helps keep a mammal warm, many pet owners use sweaters to warm their hairless pets.
由于发型有助于让哺乳动物保持温暖,许多宠物主人会用毛衣来给无毛宠物取暖.
They also take care to protect their pets from sunburn.
他们还注意保护宠物免受被晒伤.
Cool Cats Unlike hairless dogs, hairless cat breeds have only been around for a few decades.
酷猫 与无毛狗不同的是,无毛猫品种只有几十年左右.
The beautiful sphynx cat is a result of a gene’s natural mutation.
美丽的斯芬克猫是基因自然变异的结果.
That mutation led to a new breed of cat.
这种突变导致了一种新品种的猫.
Today, the sphynx is the most popular of all hairless cats.
今天,斯芬克是所有无毛猫中最受欢迎的.
Mutant Magic Sometimes a gene can change unexpectedly.
变异魔法 有时一个基因可以意外地改变.
That change is called a mutation.
这种变化被称为变异.
Most hairless animal breeds are caused by such a mutation.
大多数无毛动物品种都是由这种突变而来.
The gene that was supposed to instruct the body to grow hair changed.
本来要指示身体长出发的基因变了.
That gene was then passed down to the children.
这个基因后来传给了孩子们。
and a hairless breed was born!
无毛的品种诞生了!
If a kitten gets a hairless gene from one parent, it can pass that gene along to its kittens someday.
如果一只小猫从一个父母那里得到一个无毛基因, 它可以把这个基因传给它的小猫。
If a kitten gets a hairless gene from both parents, it will be hairless.
如果一只小猫从双亲那里得到一个无毛基因,它就会是无毛.
Russia is home to the peterbald.
俄罗斯是彼得堡的家园.
Though it may look like a grouchy space alien, it’s a friendly and very playful breed of hairless cat.
虽然它可能看起来像一个杂乱无章的外星人,
Because it’s so active, the peterbald has a high body temperature.
由于它的活性很强,
This makes the peterbald a warm and cuddly pet year round!
这让宠物 温暖而可爱的宠物全年!
Hairless cats are happy to seek out a warm lap to sit on.
无毛猫乐于寻找温暖的一圈来坐.
Although they lack a thick coat of fur, most actually have a very fine coat.
虽然它们缺乏厚厚的皮毛外衣,但实际上大多数都有一个非常精美的外衣.
When petted, a hairless cat feels like a fuzzy peach.
被宠弄后,一头无毛的猫会感觉自己像一头模糊的桃子.
Skinny Pigs and Fancy Rats Guinea pigs are a popular hairless rodent.
瘦猪和花纹鼠几内亚猪是受欢迎的无毛啮齿动物.
One hairless breed of guinea pig is called the “skinny pig.”
一个无毛的豚鼠品种被称为"瘦猪".
This guinea pig looks skinny because it doesn’t have a thick coat of fuzzy fur like regular guinea pigs.
这只豚鼠看起来很瘦,
Unlike their furry cousins, skinny pigs need special care.
与毛发堂兄弟不同,瘦猪需要特殊照顾.
Without a coat of fur to protect them, skinny pigs can easily injure their skin or get sick.
没有皮毛外衣来保护它们,瘦猪很容易会伤害皮肤或生病.
They need to stay indoors where it’s safe.
他们需要待在安全的地方。
Another hairless rodent is a rat known as the “fancy rat.”
另一个被称作"花鼠"的无毛啮齿动物. “
Rats are mostly social animals—they like to be around other rats.
老鼠大多是社会动物——他们喜欢在其他老鼠周围.
Putting hairless fancy rats together with furry rats (fancy or not so fancy) helps keep them happy and in good health.
将无毛花鼠和毛鼠(花样或不花样花花样花花样花花样花样花样花花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花样花