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演讲稿是一种在特定场合面向听众就某一主题进行阐述的书面材料。在日常工作与生活中，演讲稿的应用十分广泛。那么，如何撰写一篇优秀的演讲稿呢？以下是我整理的TED励志演讲稿中英文对照内容，欢迎大家浏览与转发。
Dear：
In the past, when the lights were not invented, gas accidents often occurred in European coal mines because of open fires. In order to prevent the frequent occurrence of disasters, high salaries hire scientists to study the work lights that do not ignite gas.
Debbie is engaged in the study were invited to one of the scientists. One day, he was hungry in the laboratory, and he ate the pie with an alcohol lamp. After baking the pie, putting the wire on the fire and preparing for the experiment, he noticed that the fire was burning, but the flame could not reach the wire.
Debbie thought: "it must be the wire netting to the heat of the fire spread." He made a wire mesh lampshade, then put the alcohol lamp shade on the wire lampshade and carefully put it in the low concentration gas. It turned out that after a long time the alcohol lamp was burning, but it didn't ignite the gas. Finally, the safety lamp used in the coal mine was invented.