The pronghorn, which resembles an antelope, though they are unrelated, is the fastest land mammal of the New World.
叉角羚与羚羊虽无亲缘关系，但却形似羚羊，它是新大陆速度最快的陆地哺乳动物。
The elephant is the largest land mammal.
大象是陆地上最大的哺乳动物。
Thee elephant is the largest land mammal.
大象是陆地上最大的哺乳动物。
As we all know, the elephant is largest land mammal, and perhaps the heaviest of eaters.
我们都知道大象是最大的陆生哺乳动物，也许还是食量最大的动物。
Sharp eyesight and raw speed (faster than any other land mammal) make the cheetah a formidable hunter.
犀利的眼神和纯粹的速度使猎豹成为强大的猎手。
An elephant, which is the earth's largest land mammal, has few natural enemies other than human beings.
大象是陆地上最大的哺乳类动物，除了人类之外几乎没有其他的天敌。
In "The Origin of Species," Darwin speculated on how natural selection could turn a land mammal into a whale.
在《物种起源》中，达尔文猜测了自然选择使陆地哺乳动物进化成鲸鱼的可能过程。
To some, the arched snout and horns of skeletal Ice Age woolly rhinoceroses suggested not a vast land mammal, but the beak and claws of a giant bird.
对于某些人来说，冰河世纪毛犀牛的拱鼻和角并不意味着这种大型陆地哺乳动物，却是巨型鸟类的喙和爪。
Nearly a quarter of the world's land mammal species are at risk of extinction, and many others may vanish before they are even known to science, according to a major annual survey of global wildlife.
一项对全球野生动物的大规模年度调查表明，近四分之一的陆地哺乳动物物种濒临灭绝，还有许多其余的物种，甚至在科学界知道它们之前可能就已经绝迹了。
I mean, Ambulocetus is a mammal that shows a sort of bridge between walking on land and swimming.
我的意思是，陆行鲸是一种哺乳动物，可以指明一个路上行走动物和水中游泳动物的清晰联系。
One land mine blowing up one ship and choking the world's oil supply pays for the entire Navy Marine mammal program and its robotics program for a long time.
毁掉一座陆地矿井就可以让我们的一艘船瘫痪，如果停止全世界的石油供应，这会让整个海军的海豚计划和机器人计划在很长一段时间内痛苦不迭。
Its main enemy today is forest fires. This slow-moving mammal cannot move quickly enough to escape the deadly fires which perennially ravage the land.
如今它的主要敌人是森林火灾，这种行动迟缓的哺乳动物跑得不够快，无法逃过那些不断破坏土地的致命火灾。
This mammal is also known as a spiny anteater and represents Australia's land.
它是一种食蚁动物，象征澳大利亚的大地。
This slow-moving mammal cannot move quickly enough to escape the deadly fires which perennially ravage the land.
哺乳动物跑得不够快，无法逃过那些不断破坏土地的致命火灾。
This slow-moving mammal cannot move quickly enough to escape the deadly fires which perennially ravage the land.
哺乳动物跑得不够快，无法逃过那些不断破坏土地的致命火灾。
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