也许你以前曾经买过那些那些摺纸玩具，他们能够做出洋娃娃或天鹅？TED 的研究会员 Manu Prakash 和他的团队成功做出像折纸一样简单的显微镜。讲者在这段影片中提供了让人惊奇的示范，并告诉我们这个装置将如何对开发中国家的健康问题造成影响。另外，这项技术也能够让所有事情都变成有趣的手作科学实验。 Manu Prakash在Ted英语演讲：只要50美分,就能拥有如折纸般的显微镜也许你以前曾经买过
小学英语故事演讲稿（一） a woman who fell It was rush hour and i was dashing to a train in new york city's grand central terminal - as i neared the gate, a plump, middle-aged woman sprinted up from behind,
No. 10: A roof is a man-made thing. 第十点：“屋顶”是人设立的。 This may cut a little close to the bone, since the geography, 由于地理的原因，这话可能有点儿尖刻， but I think we all were there and we'll all remember where we were.
Hard work, so education, investing in the young. 努力工作，重视教育，对年轻人进行投资。 Hard work, these are all important lessons for the future. But there was another element. 这些都是实现未来发展的重要经验。但是还有一个元素。 You see, China
