单词：tissue belt
单词：tissue belt 相关文章
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)
Idiom: Notch on your belt一个人在某方面取得的进步 Hit the book: Expedition Set off Odyssey Drifting Navigation Keep on track Floe Prompt
趣味青春英语
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
60秒科学
今天我们要学的词是seat belt。 Seat belt, 安全带。研究结果显示， Car seats reduce the risk of child injury up to 82 percent, compared to just wearing seat belts, 儿童汽车座椅跟只系安全带相比，可以将孩子受伤的风
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