单词：blood extravasation
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This is Scientific American 60 second Science, Im Christopher Intagliata. Got a minute? Olive oil is thought to be healthy because it's mostly monounsaturated fat. But cold-pressed extra-virgin olive oil may have an extra benefit: it appears to be mo
Scientific American(三)月
[00:05.54]The American Heart Association is advising people to exercise [00:13.27]by lifting weights.One of the writers of that advisory [00:19.20]is Barry Franklin of William Beaumont Hospital in Royal Oak,Michigan. [00:25.97]Mister Franklin directs
美国英语听力80篇
Johnny, looking out there. What do you see? field, some hay. No, its more than that, mate. Come on, now work with me here. What is it? Honestly man, I just see a field. It's a cosmic canvas. It's a blank supernatural sheet for extra terrestrial art.
国家地理2007年
By Carol Pearson Washington, DC 06 July 2006 watch Stroke Prevention report People with diabetes, sickle cell anemia, or sleep apnea are at risk for having a stroke. The American Stroke Council has some guidelines that can help prevent stroke. -----
2006年VOA标准英语（七月）
Follow this advice before you hit the road: Keep glucose goods close at hand. If you are traveling by plane, pack your medications, insulin, syringes, test strips, lancets, ketone strips, and other supplies so there's no chance of losing them. Consid
英语小短文
Camels 骆驼,被称做为沙漠之舟,它能够忍耐干燥酷热的环境,并且可以在水源极其缺乏的浩瀚沙漠里长途跋涉,是人们沙漠之旅中不可缺少的伙伴.那么,人们是不是真的了解骆驼呢?曾经有两位美国科
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