牛地方性血尿病

By Melinda Smith Washington 24 May 2007 A new drug study has caught the attention of millions of diabetics around the world and doctors who treat them. VOA's Melinda Smith has more about the study which links a popular insulin controlling drug to an

发表于:2019-01-13 / 阅读(83) / 评论(0) 分类 2007年VOA标准英语(五月)

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(53) / 评论(0) 分类 科技之光

A: Nice pen。 B: I got it over there. It's a steal。 假如在一部电视剧中听到这样两句对话,你会怎样理解呢?It's a steal是不是指笔是偷来的?B是贼吗? 非也,非也。 A说nice pen是因为看到B有一支漂亮的

发表于:2019-02-14 / 阅读(97) / 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