灭绝

恐龙是如何灭绝的？

How did the dinosaurs die out ?

结果，这些濒临危险的动物可能会灭绝。

As a result these endangered animals may even die out .

成立这个协会是为了保护濒危物种不致灭绝。

The society was set up to preserve endangered species from extinction .

濒临灭绝物种的名单中列有将近600种鱼。

The list of endangered species includes nearly 600 fishes .

居住在山区的大猩猩已濒临灭绝。

The mountain gorilla is on the verge of extinction .

人类有足够的武器灭绝自己。

The human race has enough weapons to annihilate itself .

科学家正试图把已灭绝动物的特征与现存类似动物相比较。

Scientists are attempting to compare features of extinct animals with living analogues .

很多物种已经被猎杀到灭绝的边缘。

Many species have been shot to the verge of extinction .

狼在英国已经灭绝250年了。

It is 250 years since the wolf became extinct in Britain .

他们已经令犀牛濒临灭绝。

They have driven the rhino to the edge of extinction

这次原油泄漏可能会使波斯湾的海龟灭绝。

The spill could wipe out the Gulf 's turtle population

这将导致马鹿的灭绝。

It 's going to be the death knell of the red deer .

克隆已经灭绝的生物的想法仍旧只限于科幻小说中。

The idea of cloning extinct life forms still belongs to science fiction .

人类正在导致过多物种灭绝，动物园也无济于事。

Man is exterminating too many species for zoos to be much help .

一项努力拯救一个鳄鱼物种、使其免于灭绝的行动已经开始。

An operation is beginning to try to save a species of crocodile from extinction

在泥盆纪末期，30%的动物物种都灭绝了。

Near the end of Devonian times , thirty percent of all animal life vanished

目前，30%的爬行动物、鸟类和鱼类面临灭绝的危险。

30 percent of reptiles , birds , and fish are currently threatened with extinction .

许许多多树种濒临灭绝。

Hundreds of tree species face extinction

如果爆发核战争，地球上的所有生物都将灭绝。

If a nuclear war breaks out , every living thing will be wiped off the face of the Earth .

这些动物由于遭到无情的捕猎而濒于灭绝。

The animals were ruthlessly hunted to the verge of extinction .

许多物种由于我们破坏了它们的自然环境，现在正面临灭绝的危险。

Many species are in peril of extinction because of our destruction of their natural habitat .

这种动物已几近灭绝。

This species of animal is on the verge of extinction .

恐龙在人类出现以前就灭绝了。

The dinosaur became extinct before the appearance of man .

许多种动物已在大片区域内灭绝。

Many species have been extirpated from large areas .

有些物种灭绝了。

Some species died out .

也是个关于在大规模的物种灭绝时代如何保护野生动物的故事。

This is the story of wildlife conservation in the age of mass   extinction .

研究人员要求五年级学生和大学生制定一个恢复计划,以保护秃鹰免遭灭绝。

The researchers asked fifth graders and college students to create a recovery plan to protect bald eagles from extinction .

从传统教育者的观点来看,这一结果表明,学校教育未能帮助学生思考生态系统和生物灭绝这些主要科学思想。

From the standpoint of a traditional educator , this outcome indicated that schooling had failed to help students think about ecosystems and extinction , major scientific ideas .

因此，这些薄弱环节也许能避免各个物种互相驱使走向灭绝。

The weak links may thus keep species from driving one another to extinction ．

因此,科学家们正在尽最大努力拯救这个物种,使其免于灭绝。

So scientists are trying their best to save the species from going out of existence .