-
地球上的哺乳动物起源于何时？
When did mammals appear on the earth?
《牛津词典》
-
海洋哺乳动物一般顺水而游。
Marine mammals generally swim with the current.
《牛津词典》
-
只有约百分之五的哺乳动物是单一配偶的。
Only about five percent of mammals are monogamous.
《柯林斯英汉双解大词典》
-
大约35%的哺乳动物物种消失了。
About 35 percent of mammal species were lost.
youdao
-
很多哺乳动物已经到达这一点。
Most mammals have reached this point.
youdao
-
哺乳动物是从母体中分娩出来的。
Mammals are born alive from their mothers.
youdao
-
大多数哺乳动物生活在陆地上。
Most mammals live on land.
youdao
-
鲸是生活在海洋中的哺乳动物。
Whales are mammals that live in the sea.
youdao
-
大多数哺乳动物用脚趾走路。
Most mammals walk on their toes.
youdao
-
蝙蝠是唯一能飞的哺乳动物。
Bats is the only mammal that can fly.
youdao
-
哺乳动物是什么时候出现在地球上的？
When did the mammals appear at the earth?
youdao
-
它是最不受保护的哺乳动物。
It is the least protected mammal species.
youdao
-
松鼠是哺乳动物，对吗？
Squirrels are mammals, right?
youdao
-
我对哺乳动物很感兴趣。
I am very interested in mammals.
youdao
-
我们今天在课堂上学了有关哺乳动物的知识。
We learned about mammals in class today.
youdao
-
鲸是一种哺乳动物。
A whale is a kind of mammal.
《新英汉大辞典》
-
相比于爬行动物，哺乳动物的这一特性更加典型。
This is more typical of mammals than of reptiles.
youdao
-
并不是所有的大型哺乳动物都在那个时期灭绝了。
Not all large mammals died out at that time.
youdao
-
对于小型哺乳动物来说，微气候可以产生很大的影响。
For small mammals, microclimates can make a big difference.
youdao
-
因为鱼能透过水看东西，它们的眼睛与哺乳动物非常不同。
Because fish look through water, their eyes are very different from a mammal.
youdao
-
刚出生的幼体真的很脆弱，尤其是刚出生的鸟类和小型哺乳动物。
Hatchlings are really vulnerable, especially to birds and small mammals when they are born.
youdao
-
几乎所有哺乳动物身体外表都长了毛皮或毛发。
Almost all mammals have fur or hair on their bodies.
youdao
-
草地较之哺乳动物的大脑更复杂吗？
Is a meadow more complex than a mammal brain?
youdao
-
“动物行为：哺乳动物”组别冠军。
Winner, "Animal Behavior: Mammals" category.
youdao
-
大多数哺乳动物每天都会小睡一会儿。
Most mammals sleep for short periods throughout the day.
youdao
-
只有哺乳动物会试图保护每一条生命。
Only mammals attempt to preserve every life.
youdao
-
这是作为哺乳动物所要面对的一个事实。
That's the reality of being a mammal.
youdao
-
鲸不是鱼，而是哺乳动物。
The whale is not a fish, but a mammal.
youdao
-
哺乳动物的化石纪录比别的类别的好的多。
There is a much better fossil record for mammals than for many other groups.
youdao
-
哺乳动物的化石纪录比别的类别的好的多。
There is a much better fossil record for mammals than for many other groups.
youdao