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美国国家公共电台 NPR Not His Job: 'Wait Wait' Host Peter Sagal Writes A Book About Running

ARI SHAPIRO, HOST: Many listeners will recognize our next guest from the NPR show Wait Wait... Don't Tell Me! But Peter Sagal is not here to talk about the 20th anniversary of the news quiz. Congratulations on that, by the way. PETER SAGAL, BYLINE: T

发表于:2019-01-04 / 阅读(111) / 评论(0) 分类 2018年NPR美国国家公共电台11月

2007年VOA标准英语-Adult Stem Cells Help Heart Attack Patients

By Carol Pearson Washington 27 March 2007 watch Heart Stem Cell report It is being hailed as a major medical breakthrough: cardiologists are using adult stem cells, not the controversial embryonic stem cells, to rejuvenate the hearts of patients who

发表于:2019-01-11 / 阅读(108) / 评论(0) 分类 2007年VOA标准英语（三月）
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