以电话的发明为话题的高中英语作文
导语：你知道电话是怎么发明的吗?以下是小编为大家收集的`几篇以电话的发明为话题的英语作文。供大家参考阅读。希望喜欢。
以电话的发明为话题的英语范文【一】
Mobile phones, also known as mobile phones, mobile phones can be hold in my hand. Early because they more commonly known as the great mobile, at present has developed to the 4 g era. In April 1973, the American engineering technicians“Martin cooper invented the first in the world to the civil mobile phones, ” Martin cooper“from now on, also known as the modern ” father“of mobile phones. Until now, the mobile phone become a very important tool in people life, and like a Swiss army knife is versatile.
以电话的发明为话题的英语范文【二】
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.
以电话的发明为话题的英语范文【三】
It was in June 2,1875,Baer and his assistant Watson respectively in the two room test multiple telegraph,an accidental incidents inspired Baer.Watson room Telegraph has a spring stick to the magnet,Watson opened the spring,spring has vibration.At the same time,Baer was surprised to find his room telegraph machine on the spring vibration,also makes a sound,is the current vibration from one room to another room.Baers idea was wide open,he thus think:if people on the piece of iron to iron,sound will cause vibration; if the iron is placed behind a piece of magnet,iron sheet vibration inevitably in the electromagnet coil to generate big small current.The fluctuation of current along the wire to the distant,distant similar device does not happen the same vibration,do the same thing?That sound along the wire spread far away.This is not the dream of phone!
Baer and Watson by new ideas made the telephone.In one experiment,a drop of sulfuric acid splashed onto Baers lap,hurts him shouting:” Mr.Watson,I need you,please come here!" This sentence by telephone through a wire to Watson s ears,call success!In March 7,1876,Baer became the invention of the telephone patent.
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