千

Produce carbonic acid. But the world's seas are alkaline, and have been for many

球上的海洋含有碱性，并已有几百万的演化，在这样的环境中形成千种小

The ancestors of odonates date back to the Carboniferous period, about 325 million years ago.

蜻蛉的祖先早在三亿二千五百万年前的石炭纪时便已出现在地球上

Some of the main roads still follow the routes originally traced 2,000 years ago, and the urban organisation of many old town centers still transcript the cardo and the decumanus of the former Roman camp.

一些主要道路仍然保留着两千多年前的样子，许多古老城镇的城镇组织形式仍然遵照古罗马军团步兵第十队的营地。

He's a cardsharp.

他是个老千。

Up above, thousands of fragments of defunct spacecraft careen through space, and occasionally more debris is produced by collisions such as the one that destroyed an American satellite in mid-February.

天空中，寿终正寝的航天器产生的数千件碎片肆意横飞，不时的碰撞产生了更多的碎片，如最近三月中旬这次美国卫星撞毁的事故。

In the center of NGC 6240, the two black holes in the cores will whip up a frenzy of radiation as they careen towards one another head-on, likely transforming the galaxy into a monster known as an ultra-luminous infrared galaxy, thousands of times as bright in infrared as our Milky Way.

在NGC 6240星系的中心，星系内核中的两个巨大黑洞将激发狂乱的辐射物，加剧两个星系内核的合并进程，很可能会使它们合并成为一个超明亮的红外星系，其红外线亮度是银河系的数千倍。

Predators were there, too: wild pigs frightened of nothing, savageand flesh-eating, black hairy things the size of fully grown cows;dingoes, the wild native dogs which slunk close to the ground andblended into the grass; crows in hundreds carking desolately fromthe blasted white skeletons of dead trees; hawks and eagles, hovering motionless on the air currents.

译：这里照样也有食肉动物：无所畏惧的野猪，凶猛嗜肉，一身黑毛，高大如成年的母野牛；土生土长的澳洲野狗紧贴着地面潜行，隐身在草丛里；成百上千的乌鸦令人厌烦地，凄凉地在死树的白色枯枝上聒噪着；秃鹫乘着气流在空中一动不动地翱翔着。

With thousands of species of carnivorous plants in the world, each type requires their own care.

数千种食虫植物之一，每种需要自己照顾。

000 Years ago we were vegetarian as were most other carnivorous species..

在1万8千地球年之前，我们是素食的，正如今天大多数其它的肉食物种一样。

The foundation of the jury system goes back a thousand years to the French empire of the Carolingian kings.

陪审团的起源可追溯到一千多年前的英国加洛林王朝时期。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了