STEVE INSKEEP, HOST: And experience in a country with enormous numbers of war wounds has led to techniques that heal them more quickly. A Harvard team developed the new technologies. NPR's Jon Hamilton reports the work was inspired by one scientist's

发表于:2018-12-17 / 阅读(23) / 评论(0) 分类 2018年NPR美国国家公共电台4月

This is Scientific American's 60-Second Science. I'm Karen Hopkin, this'll just take a minute. On February 8th, we told you about scientists who had created a device worn over the knees that could harvest the energy you otherwise waste while walking.

发表于:2018-12-24 / 阅读(31) / 评论(0) 分类 Scientific American(二)月

Larry和李华两人正开着车,准备到乡下的一个农场去骑马。今天李华会学到两个常用语:boonies和country bumpkin. (Car driving on country road) LH: Larry,我们要去的那

发表于:2019-01-08 / 阅读(77) / 评论(0) 分类 美国之音《流行美语》

By Jane M Friedman Washington, DC 20 April 2006 watch Biotech Industry report A report by the consulting firm Ernst and Young says that, although huge pharmaceutical firms like Merck and Pfizer pour b

发表于:2019-01-13 / 阅读(129) / 评论(0) 分类 2006年VOA标准英语(四月)

导语:上课时躲在书后面打盹儿,开会时用手挡着眼睛打盹儿,被逮着了就拿春困、秋乏、夏打盹儿,睡不醒的冬三月来做借口。大概每个人都经历过这样的情形吧,咱们今天就来说说这个打

发表于:2019-02-03 / 阅读(68) / 评论(0) 分类 英语口语

苹果iPod nano会摄像Miss Li清新广告歌 Bourgeois Shangri-La Miss Li Vacation and barbecue Small talking and nothing to do You keep it locked in a shopping cart A bourgeois shangri-La Got a feeling that I don't belong Got a feeling that I shou

发表于:2019-02-07 / 阅读(48) / 评论(0) 分类 好听的英文歌曲