TED演讲之生与死:我们能够避免老化(7)
It's got to be philanthropic, because profits distract biotech, 这些研究的钱的来源最好是慈善,因为利润会分散生物技术研究公司的注意力, but it's basically got a 90 percent chance, I think, of succeeding in this. 但我认为它基本上有着百分之九十的
Ted英语演讲:古代线索:Lee Hotz:南极洲的时间机器
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Meeting with APOLLO 11 Crew
REMARKS BY THE PRESIDENT AFTER MEETING WITH APOLLO 11 CREW THE PRESIDENT: Very rarely do I have such an extraordinary pleasure as I have today to welcome three iconic figures, three genuine American h
希拉里2012年野生动物保护日演讲致辞
2012年12月4日是有史以来第一个野生动物保护日。美国国务卿希拉里于2012年野生动物保护日致辞,目的是让更多的人了解这场全球动物保护危机,呼吁人们作出承诺尊重并保护全世界的野生动物。 December 4th, 2012, will be the first-ever Wildlife Conservation Day. Our goal is to inform more people ab
总统演讲:Bush's speech before the Katrina anniversary
Good morning. Earlier this week, I had coffee with Rockey Vaccarella in the White House. Rockey is from Saint Bernard Parish in Louisiana, and he and his family lost everything they owned to Hurricane