They have driven the rhino to the edge of extinction.
他们已经把犀牛逼到了灭绝的边缘。
The wallet is heading for extinction.
钱包即将走向消亡。
Extinction is a difficult concept to grasp.
灭绝是一个很难理解的概念。
What could cause such high rates of extinction?
是什么导致了如此高的物种灭绝率？
We all know that panda is a species that is on the edge of extinction.
我们都知道熊猫是一种濒临灭绝的物种。
Volcanic explosions could bring the whole animal species to extinction.
火山爆发可能会使所有的动物灭绝。
It might already be too late to prevent animal cultures from extinction.
要防止动物文化灭绝可能为时已晚。
The mass extinction would have occurred very suddenly under this hypothesis.
在这种假设下，大灭绝的发生是非常突然的。
Already well over 400 of the total of, 6,800 languages are close to extinction.
现存的6800种语言中，已经有400多种濒临灭绝。
Hundreds of tree species face extinction.
很多树种濒临灭绝。
The society was set up to preserve endangered species from extinction.
成立这个协会是为了保护濒危物种不致灭绝。
An operation is beginning to try to save a species of crocodile from extinction.
一项行动正在展开来拯救一个鳄鱼种类使其免遭灭绝。
Each mass extinction may have had a different cause.
每一次大灭绝可能都有不同的原因。
This is the story of wildlife conservation in the age of mass extinction.
这是个关于在大规模的物种灭绝时代保护野生动物的故事。
Many scientists have therefore concluded that a sixth great mass extinction is currently in progress.
因此，许多科学家得出结论，第六次大规模物种灭绝正在发生。
So far, they resist extinction.
所以至今，它们没有灭绝。
Are we building an extinction debt?
l我们是不是欠下了一笔物种灭绝的债？
That's the case with dinosaur extinction.
恐龙灭绝就是这样的例子。
Failure to evolve can then lead to extinction.
在进化中失败将导致灭绝。
Extinction comes next, and nothing can stop it.
灭绝就会在未来降临，这谁都阻止不了。
Many rare animals are at the edge of extinction.
许多稀有动物濒临灭绝。
Better a home in an alien habitat than extinction.
在异乡有个栖息之地总比灭绝要好吧。
Did our early ancestors hunt it to extinction?
是我们早期的祖先狩猎导致巨猿灭绝的吗？
But the Mesozoic, too, began with a mass extinction.
但中生代本身便是以一次大灭绝开始的。
But the rate of extinction is far from constant.
但是灭绝的速度同一个恒定的常数有着相当大的距离。
The third such event was followed by toad extinction.
第三次这样的现象之后随之而来的就是这种蟾蜍的灭绝。
Various theories seek to explain this mass extinction.
对于这次大灭绝，有很多种解释。
Various theories seek to explain this mass extinction.
对于这次大灭绝，有很多种解释。
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