Hundreds of tree species face extinction.
很多树种濒临灭绝。
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 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。
The wallet is heading for extinction.
钱包即将走向消亡。
What could cause such high rates of extinction?
是什么导致了如此高的物种灭绝率？
Each mass extinction may have had a different cause.
每一次大灭绝可能都有不同的原因。
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。
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。
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。
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。
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。
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？
Many rare animals are at the edge of extinction.
许多稀有动物濒临灭绝。
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。
Various theories seek to explain this mass extinction.
对于这次大灭绝，有很多种解释。
BA's aim is to save the business trip from extinction.
英航意在挽救商务旅行业务，使其免遭灭顶之灾。
With the extinction of a language, an entire culture is lost.
一旦语言灭绝，全部文化也将就此失传。
They are in danger of extinction. So we have to save them.
他们正面临灭绝的危险。所以我们必须拯救他们。
Nearly a quarter of plant species are threatened with extinction.
近四分之一的植物物种有灭绝的危险。
The rate of species extinction is accelerating to dangerous levels.
物种灭绝的速度不断加快，已经敲响了警钟。
Fifty percent of open water sharks in the world are threatened with extinction.
在全世界的公海领域中，有一半的鲨鱼濒临灭绝。
Fifty percent of open water sharks in the world are threatened with extinction.
在全世界的公海领域中，有一半的鲨鱼濒临灭绝。
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