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发表于:2018-12-04 / 阅读(74) / 评论(0) 分类 英文魔法师字源大挪移

AS IT IS 2013-09-20 NeuroRacer: A Video Game for the Elderly Brain An elderly man plays a video game as part of a study at the University of California, San Francisco.. From VOA Learning English, this is As It Is. Welcome back! Im Caty Weaver. Gettin

发表于:2018-12-16 / 阅读(62) / 评论(0) 分类 2013年VOA慢速英语(九)月

Battling Ebola with Data The World Health Organization recently called for 900 more epidemiologists to join the battle against Ebola in West Africa. Thats triple the current number. Epidemiologists study the patterns of disease outbreaks to determine

发表于:2018-12-16 / 阅读(57) / 评论(0) 分类 VOA标准英语2015年(一月)

This is Scientific American's 60-Second Science, I am Karen Hopkin. This'll just take a minute. Biologists, traditionally track migrations by tagging animals with devices that allow their movements to be monitored. But Homo sapiens can't be fitted wi

发表于:2019-01-08 / 阅读(61) / 评论(0) 分类 Scientific American(六)月

By Carol Pearson Washington, DC 08 November 2006 watch Heart Stent report Heart stents are lifesaving medical devices that help prevent heart attacks. Most of these stents are coated with various drugs, but mounting data suggest drug-coated stents c

发表于:2019-02-03 / 阅读(104) / 评论(0) 分类 2006年VOA标准英语(十一月)

Otago University Neuro-surgery department will not close and Christchurch hospital which has four neurosurgeons will get one more. This news was announced yesterday. Neuro-surgery is brain surgery. Earlier this year, the government said it was too ex

发表于:2019-02-26 / 阅读(122) / 评论(0) 分类 新西兰英语