牛气喘病

By Steve Herman New Delhi 24 April 2008 Adopting modern lifestyles, urbanization and even climate change are among some of the factors being blamed for an alarming rise in asthma in Asia. From New Delhi, VOA Correspondent Steve Herman has a preview o

发表于:2019-01-11 / 阅读(45) / 评论(0) 分类 VOA常速英语2008年(四月)

英国科学家在男性避孕药研发上有了重大突破,未来男性有可能通过口服阻止精子游动的药丸来达到避孕效果。这可能改变千千万万伴侣的性生活。以后不仅女人可以吃避孕药,连男人都有避

发表于:2019-01-19 / 阅读(72) / 评论(0) 分类 阅读空间

70 疯牛病预防讨论会 DATE=7-17-01 TITLE=AGRICULTURE REPORT - Mad Cow Conference BYLINE=George Grow (Start at 01'0

发表于:2019-01-30 / 阅读(54) / 评论(0) 分类 科技之光

BEIJING, August 1 (Xinhuanet) -- U.S. researchers have discovered a genetic mutation unique to African Americans that links to heighten their asthma risk, according to reports published on Sunday in the journal Nature Genetics. Researchers of Univers

发表于:2019-02-06 / 阅读(83) / 评论(0) 分类 英语新闻

Red meat hardly seems like the perfect ingredient for delicious chocolate, but a New Zealand-based food scientist is willing to bet that his high-protein, 50% beef chocolate recipe is going to be a hit. 红色肉类似乎不可能是美味巧克力的完

发表于:2019-02-17 / 阅读(40) / 评论(0) 分类 阅读空间

I was, in the 1960s, in a marriage. 60年代我结婚了, To use the word bad would be perhaps the understatement of the year. 用糟糕透了这个词都不足以形容 It was dreadful. 简直是糟糕极了。 There are, I'm sure, enough divorced

发表于:2019-03-04 / 阅读(91) / 评论(0) 分类 TED演讲教育篇