Dolphins
美音、自然拼读、分级阅读与词汇复习
Introduction Dolphins live in every ocean in the world.
引言. 海豚生活在世界上的每一个海洋中.
Some even live in rivers.
有些人甚至生活在河流中.
Dolphins Are Mammals Dolphins are mammals.
海豚是哺乳动物 海豚是哺乳动物.
They can keep their body warm.
他们可以保持身体的温暖。
Dolphin mothers make milk for babies.
海豚妈妈为婴儿做奶.
They do not lay eggs.
他们不产卵。
Instead, their babies are born live.
相反,他们的婴儿是活生生的。
Dolphins breathe in air through a hole on their head.
海豚通过头上的洞呼吸出空气来.
Most of the time, dolphins breathe a few times a minute.
大多数时候海豚每分钟呼吸几次.
They can hold their breath for more than a minute when they need to.
他们可以在需要的时候屏住呼吸超过一分钟.
All About Dolphins Dolphins are different sizes.
所有关于海豚海豚的大小不同.
They can be big or small.
它们可以是大小的.
Some dolphins only have four teeth.
有些海豚只有4个牙齿.
Others have more than two hundred teeth!
别人有200多颗牙齿!
Dolphins do not use their teeth to chew.
海豚不会用牙齿来咀嚼.
They use their teeth to grab food.
他们用牙齿来抢取食物.
Then they eat it whole.
然后他们全吃光了
Dolphins move their tail up and down to swim.
海豚将尾巴上下移动去游泳.
A fin on their back keeps them steady.
背上一条鳍让他们稳住
A flipper on each side helps them steer.
每一边都有一个翻转器可以帮助他们转向.
Dolphins and Sound Dolphins are smart.
海豚和声海豚都很聪明.
Dolphins use sound to talk to other dolphins.
海豚用声音与其他海豚交谈.
Dolphins also use sound to find food.
海豚也用声音来寻找食物.
Dolphin Groups Dolphins live in groups called pods.
海豚团体 海豚生活在被称作"吊舱"的群中.
They live in pods to find food and keep each other safe.
他们住在舱中寻找食物,互相保护.
Dolphins move from pod to pod.
海豚从舱移到舱.
Sometimes they change pods more than once a day.
有时它们每天更换舱口不止一次.
Mothers form pods with other mothers to protect their babies.
母亲们与其他母亲一起组成吊舱来保护自己的婴儿.
Even after they leave, young dolphins may return to swim with their mother.
即使在离开后,年轻的海豚也可能与母亲一起回游.
Some female dolphins even return to raise their babies with their own mother.
有的雌性海豚甚至会回到自己母亲身边抚养孩子.
Conclusion There are many different kinds of dolphins.
结论 海豚种类繁多.
They all use sound to talk and find food.
他们都用声音说话和寻找食物。
Most dolphins form close groups.
大多数海豚组成了紧密的群.
Dolphins are amazing animals!
海豚是惊人的动物!