关于发明英语演讲稿3分钟（精选31篇）

关于发明英语演讲稿3分钟 篇1

　　When I was a child, I was always dreaming of what I could become when Igrew up. Become a singer? Become a painter? Become an actor? These are someglamorous professions, and what I want to be the most is an inventor.

　　Although the inventor is a behind-the-scenes worker, he can make a greatcontribution to human development. It can make people's lives less tired andmake people happier every day.

　　If I were an inventor, I would invent many things that would be convenientfor people to live on. Start with people's housing starts! If I were aninventor, I would invent a very advanced door. The shape of this door is notdifferent from the ordinary one, but it has many functions. First of all, whenthe noise coming from the corridor, the door can be according to the master'svoice as he opened the door ahead of time, when the owner came to the door itsay: "master, welcome home!" Then the door closes. The advantage of this designis that the owners no longer have to go out with keys. Second, if there is a badguy to destroy the door, the door have a security alarm system, can let theneighbors know there is a thief, the thief will soon be away. And the door willalso send the information to the owner's mobile phone for the first time,telling the host that there is a bad guy and need to deal with it as soon aspossible. Finally, the door has the function of weather forecasting. At seven o'clock in the morning, it will report on time and report the weather and thesituation of the day. If the weather forecast says it's going to rain, the doorwill offer an umbrella before its owner goes out, and if it's a big summer itwill also offer a sunblock and sunscreen. The invention guarantees home safety,improves living standards and makes people's lives more comfortable.

　　If I were an inventor, I wanted to invent a medicine that would delaypeople's life slightly. Because I know that it is impossible to live forever,and if you can live forever, there will be more and more people in the world. Aslight delay is the ability to make a person's life a little longer. Theinvention is mainly used for the immediate death of the hospital, but to thepeople who want to see the last of their loved ones. Or people who are in a caraccident or other sudden death. Because of this invention, they can be able tosee the last part of their family, leaving them with the words they want to say,without regret.

　　If I were an inventor, I would invent an emotional robot. Scientists sayrobots are mechanical, unemotional and can't understand what people really need.And I'm going to invent this robot, which has its own personality, apart frombeing able to do the housework, the laundry, the