单词：anti-free-radicals
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By Jessica Berman Washington 28 February 2007 According to the results of a new study, antioxidant vitamin supplements taken by people to promote their health may actually shorten their life. The findings were based on a review of dozens of studies o
2007年VOA标准英语（二月）
This is Scientific American - 60 second Science. I'm Christopher Antaryata. Got a minute? We humans take medicine when we are sick. As due our primate cousins, chimps, for example, snack on a bitter African shrub to combat intestinal worms. But the h
2015年Scientific American(八)月
[00:07.52] You probably know a famous saying about the importance of eating apples [00:14.58]It is,An apple a day keeps the doctor away. [00:19.83]Now,a new American study shows eating apples may help fight cancer,too. [00:28.16]Research scientists a
美国英语听力80篇
AGRICULTURE REPORT – March 5, 2002: Herbs By George Grow This is the VOA Special English AGRICULTURE REPORT. Small plants called herbs have many uses. Some herbs are used in cooking to make foods ta
农业与发展
Scott Stearns President Bush used his weekly radio address to call for the extension of a controversial anti-terrorism law. His presumptive Democratic challenger in this year's election criticized the
VOA2004（上）--美国大选
By Gary Thomas London 07 August 2006 One of Britain's top police officers says anti-terror laws risk creating more radicals among the country's Muslim population. In a speech delivered Monday, he says toughened counter-terrorism laws in Western coun
2006年VOA标准英语（八月）