单词：sanitary tissue
单词：sanitary tissue 相关文章
World Health Organization says people are at great risk of getting diarrhea, cholera and other water borne diseases because of the bad sanitary conditions and contaminated water. Lisa Schlein | Geneva 30 January 2010 A camp of makeshift tents sprawls
VOA标准英语2010年(一月)
When humans have a heart attack, heart muscles die after being cut off from their blood supply. But what if the heart could grow new muscle to replace the dead tissue? Some amphibians can regrow body parts, even entire limbs. But humans and other hig
VOA标准英语2011年(三月)
Part 3 Useful Expressions 第三部分 常用表达 1.Is there a supermarket around here? 1.这附近有没有超市？ 2.What time do you close? 2.你们几点打烊？ 3.We'd better go and get a shopping cart. 3.我们还是去推一辆推车吧。
实境旅游英语
Scientists Regrow Tissue Killed During Heart Attack U.S. scientists have done what was once considered science fiction - regrown heart muscle to replace tissue that was killed off in a heart attack. It's the latest advance in the field of regenerativ
VOA标准英语2012年(二月)
Researchers have identified a link between dementia and the brain damage that can occur in older people with high blood pressure and other forms of cardiovascular disease. High blood pressure, high cholesterol, and other conditions that affect blood
VOA标准英语2010年(十一)月
Beating Heart Tissue from Stem Cells In a study in the journal Science, researchers explain how they used mouse embryonic stem cells and microchip technology to create heart muscle tissue that actually beats. Cynthia Graber reports One of the goals o
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