第一世界

By the middle of this century, English could fall into fifth place behind Arabic in the numbers who speak it as a first language.

到本世纪中叶，以英语为第一语言的人口可能少于阿拉伯母语人口，跌倒世界第五位。

The first artificial Earth satellite in the world has now been created.

世界上第一颗人造卫星已经诞生了。

On October 4, 1957, Soviet scientists launched the world's first artificial satellite.

1957年十月四日苏联科学家发射了世界上第一颗人造卫星。

Do you know who is the first astronaut in the world?

你知道谁是世界上第一个宇航员吗？

Finally, in 1977, Takahashi Seisakusho Ltd. of Japan introduced the world's first astronomical telescope with a fluorite objective.

最终在1977年，日本的Takahashi Seisakusho有限公司制造了世界上第一架用萤石做物镜的天文望远镜。

This was the first water-powered astronomical instrument in the world.

这是世界上第一台用水力转动的天文仪器。

At night there was never a traveller passed my house, or knocked at my door, more than if I were the first or last man; unless it were in the spring, when at long intervals some came from the village to fish for pouts — they plainly fished much more in the Walden Pond of their own natures, and baited their hooks with darkness — but they soon retreated, usually with light baskets, and left "the world to darkness and to me," and the black kernel of the night was never profaned by any human neighborhood.

从没有一个人在晚上经过我的屋子，或叩我的门，我仿佛是人类中的第一个人或最后一个人，除非在春天里，隔了很长久的时候，有人从村里来钓鳘鱼，——在瓦尔登湖中，很显然他们能钓到的只是他们自己的多种多样的性格，而钩子只能钩到黑夜而已——他们立刻都撤走了，常常是鱼篓很轻地撤退的，又把"世界留给黑夜和我"，而黑夜的核心是从没有被任何人类的邻舍污染过的。

The first time I came to this world, meet me at noon the sun.

我第一次来到这个世界，迎接我的是正午的阳光。

Of course, it is only day one, and at this point it is still easy to feel on top of the world.

当然，这只是第一天开始，在这一点上仍是很容易的感受顶端的世界。

On a Monday morning in July, the world\'s first atom bomb exploded in New Mexico desert.

7月的一个星期一早上，世界上第一颗原子弹在新墨西哥沙漠上爆炸了。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。