用英语介绍一项伟大的发明

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女士们先生们：

晚上好，我很荣幸能够站在这里发表我的演讲。众所周知，从一开始的石器时代到工业发达的蒸汽时代，直到今天，我们生活在一个电子时代。在这段时间里，有许多非常著名的发明，一直沿用至今。比如我们现在用的电话，电灯，电视，汽车，飞机等，这些都是日常生活中我们最不可缺的发明，但是说到在我眼中最伟大的发明，那么我会说，她是计算机。

世界上第一台计算机诞生于1946年美国宾夕法尼亚大学，她叫埃尼阿克，发明她的人就是号称计算机之父的冯?诺依曼（John Von Neumann）。虽然ENIAC体积庞大，耗电惊人，运算速度不过几千次！），但它比当时已有的计算装置要快1000倍，而且还有按事先编好的程序自动执行算术运算、逻辑运算和存储数据的功能。ENIAC宣告了一个新时代的开始。从此科学计算的大门也被打开了。

伴随着计算机的发明，随之出现了许多的扩展发明，就像因特网，他把世界上每一台联网的计算机紧密的联合在了一起，实现了数据共享和传输，也方便了信息的传递，人们足不出门就可知道世界上都发生了什么事情。利用计算机我们还可以写一些程序，方便我们做一些繁琐的事情，也替我们在人类根本无法承受的恶劣环境下进行一些重要的作业。并且，在信息时代的今天，我们会有很多重要的数据，比如军事机密数据，平常人们生活中产生的数据，全都需要计算机来储存，并且在呈现给人们。更好的节约了人们在档案中翻找的时间，也节省了空间。

所以，我认为，计算机的发明，是世界上最伟大的发明。我希望通过我的努力学习，我也会成为一名像冯?诺依曼这样伟大的人。

Ladies and Gentlemen:

Good evening, I am honored to stand here to express my speech. As we all know, from the beginning of the Stone Age to the industrial development of the steam era, until today, we live in an electronic age. During this time, there are many well-known invention, still in use. For example we are using the telephone, lights, television, automobiles, aircraft, etc., these are the most essential daily lives of our invention, but it comes in my eyes the greatest invention, then I would say that she is the computer.

The world's first computer was born in 1946, the University of Pennsylvania, she called Eni Ake, who is known as the invention of her father's computer ? von Neumann (John Von Neumann). Although the ENIAC in size, amazing power, computing speed, but thousands of times! ), But it is more than the then existing computing devices 1,000 times faster, but also by pre-programmed to automatically perform arithmetic, logical, and store data. ENIAC proclaimed a new era. Calculated from the doors of science was opened.

With the invention of the computer, the resulting expansion of many inventions, like the Internet, he put the world on every networked computer in a tight joint together to achieve the data sharing and transfer, but also to facilitate information transfer, people go abroad on both doors can know the world what happened. We can also use computers to write some programs to help us do some complicated things, but also for us humans can not stand in the harsh environment of some major operations. And, in the information age of today, we will have a lot of important data, such as military secrets, data, ordinary people's lives in the data generated, all need a computer to store, and presented to the people. Better to save people time rummaging in the archives, but also saves space.

So, I think the invention of the computer, is the world's greatest invention. I hope through my efforts to learn, I would like to be a von Neumann ? such a great person.

用五句英语介绍compass

The Telephone

The telephone is one of the most welcome and useful inventions.No wonder more and more families have got to use their own telephones today.

The telephone makes things easy in many ways.Especially,after the mobile telephone appears,communication becomes easier and rapider.To students and people going out for business far away from their homes,the telephone can shorten the distance between them and their families.Thus they will get comfort whenever they are homesick or they run into trouble.With the help of the telephone,people can keep in touch with anyone at any time and in any place for urgent help.

All in all,the telephone is so helpful that we can say that nowadays we can not live without the telephone in our daily life.We will further improve the performance of the telephone so as to create better conditions for its development.

电话

电话是目前最受欢迎和最有用的发明之一,怪不得越来越多的人已经使用了自己的电话.

电话在许多方面使事情变得简单,尤其是在移动电话出现以后,通讯变得更加快捷方便.对于那些离家的学生和做生意的人来说,电话缩短了同家人的距离,在此它能蛤想家的人和处在困难中的人一个好的心情.有了电话帮助,人们可以随时随地和任何人联系,寻求紧急帮助.在这种情况下,电话显得尤其重要.

总之,电话是如此有用,以至于如今的日常生活离不开它.我们逐步提高电话功能,为它的发展创造更好的条件.

Compass is invented in China. It is a great invention. And also a very useful tool. As the needle always point to the North Pole，it can indicate the direction for the lost. It is often used for voyage, etc.

指南针发明于中国，它是一项伟大的发明，同时它还是一个非常有用的工具，由于指南针总是指向北方，因此它可以为迷途中的人们指明方向，它常被用于航海等各个方面。

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