All mammals (哺乳动物) sleep. Some stand up when they are sleeping and others lie down. All people need to sleep too. No one really knows why we sleep, but we know it is important for us to get enough sleep. It looks as if nothing is happening when we sleep, but our bodies and ...
All mammals(哺乳动物) sleep. Some stand up when they are sleeping and others lie down. All people need to sleep too. No one really knows why we sleep, but we know it is important for us to get enough sleep.When we sleep, our bodies and brains(大脑) are very busy. Our bodies are...
aand I can't seem to find no help or love for free 并且我不可能似乎发现对自由的帮助或爱[translate] aMembers of a class will have another main characteristic in common:they are all mammals. 类的成员将有另一个主要特征共同兴趣:他们是所有哺乳动物。[translate]...
We learn from an early age thathumansaremammals, but we don’t know all the reasons why. The features that make humans similar to other mammals are important because it is common to believe that humans are completely different from non-human animals due to being on top of the food chain ...
They are mammals (哺乳动物). They live in groups and speak to each other in their own language. But they are quite different from almost all land animals. Their brain is as big as men’s and they live a long life--20 or 30 years. Like some animals, dolphins use sounds to help ...
Some mammals have two arms and two legs. Marine mammals(海洋哺乳动物) that live in water, like whales or dolphins, have fins and a tail.Mammals all feed their babies milk. Other types of animals, like fish or reptiles(爬行动物) can't make milk. Mammals are warm-blooded, just like ...
【C】Mammals(哺乳动物)are animals that feed their babies on milk. Many pets and farm animals are mammals, including dogs, cats, rabbits, cows and sheep. Human beings are mammals too.Mammals are warm-blooded. This means that they can move around and stay active even in cold weather. A ba...
They are mammals (哺乳动物). They live in groups and speak to each other in their own language. But they are quite different from almost all the animals. Their brain(大脑) is as big as man’s and they live a long life — at least 20 or 30 years. Like some animals, dolphins use ...
Additionally, mammals are distinguished from other animals by many unique features. Some animals don’t stay with their young at all and leave them on their own. The characteristics that make a mammal a mammal includes hair or fur, warm-blooded, live birth, mammary glands and a complex brain...
【题目】Dolphins are not fish. They are mammals(哺乳动物). They live in groups and speak to each other in their own language. But they are quite different from almost all land animals. Their brain is as big as men’s and they live a long life---at least 20 or 30 years. ...