As a result, the International Union for the Conservation of Nature estimates that as many as a third of all shark species are threatened or near threatened with extinction, including the great white.
根据国际自然保护联盟的估计，由此带来的结果是高达三分之一的全部种类的鲨鱼都面临或接近面临着绝种的危险，这其中就包含电影中的大白鲨。
Amphibians are the most threatened group of animals worldwide, with a third of the world's species in danger of extinction.
在全球范围内的动物当中，两栖类受到灭绝的威胁最大。有三分之一的两栖类已在灭绝的边缘。
The third largest extinction in Earth's history, the Ordovician-Silurian mass extinction had two peak dying times separated by hundreds of thousands of years.
作为地球史上消亡物种排行第三的大灭绝，奥陶系-志留纪大灭绝有两个死亡高峰期，其中相隔数十万年时间。
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。
Third, the whale populations are not strong enough to fight off extinction if they are openly hunted again.
第三，若鲸鱼再次遭到公开捕杀，其数量并未庞大到可以抵抗绝种的下场。
Now a new warning from the International Union for Conservation of Nature states that nearly a third of sharks and rays are threatened with extinction.
现在世界自然保护联盟(International Unionfor Conservationof Nature)正发出一个新的警告说几乎有三分之一的鲨鱼和鳐鱼受到灭绝的危胁。
So the third chapter focuses on the measuring system. The operating principle (Light extinction method), the factors which influence the result and the resolvent to avoid them are explained.
第三章对此磁致偏振特性测量系统的搭建及工作原理（消光法）、影响测量结果的因素及解决方法、实验操作步骤等作了说明。
This interpretation ignores the third fire, delusion: the extinction of delusion is of course in the early texts identical with what can be positively expressed as gnosis, Enlightenment.
这种解释忽略了第三把火，妄想：灭绝妄想当然在早期的文本与被积极表述为真知，启蒙。
A THIRD of the world's open water sharks - including the great white and hammerhead - face extinction, according to a major conservation survey released on Thursday.
根据星期四公布的一项较大范围的保护调查资料三分之一世界公开水域的鲨鱼包括大白鲨和外锤头鲨面临灭绝。
Article 24 Before registration, the creation, alteration, transfer or extinction of the property right of the vessels, aircraft, motor vehicles, etc. shall not be used against a bona fide third party.
第二十四条船舶、航空器和机动车等物权的设立、变更、转让和消灭，未经登记，不得对抗善意第三人。
In many parts of the world, the characteristic 1 croaking has been suddenly stilled in recent years. 2 Amphibians are in serious trouble with one third of 3 species at risk of 4 extinction.
在世界上许多地方，别具特色的蛙声最近几年突然沉寂了。两栖动物目前正处于水深火热之中，三分之一的物种面临灭绝。
In many parts of the world, the characteristic 1 croaking has been suddenly stilled in recent years. 2 Amphibians are in serious trouble with one third of 3 species at risk of 4 extinction.
在世界上许多地方，别具特色的蛙声最近几年突然沉寂了。两栖动物目前正处于水深火热之中，三分之一的物种面临灭绝。
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