木质部

AMERICAN STORIES - The Gatewood Caper

AMERICAN STORIES - The Gatewood Caper By Dashiell Hammett Broadcast: Saturday, August 06, 2005 该篇广播稿还未有正式版本，欢迎大家积极参与听写，然后相互修正，以得到与原

发表于:2018-11-27 / 阅读(308) / 评论(0)

American Stories

英语歌曲:How much wood would a woodchuck chuck

Howmuchwoodwouldawoodchuckchuck ifawoodchuckcouldchuckwood? itwouldchuckasmuchwoodaswoodchuckcould,ifawoodchuckcouldchuckwood. Howmuchwoodwouldawoodchuckchuck ifawoodchuckcouldchuckwood? itwouldchuckasmuchwoodaswoodchuckcould,ifawoodchuckcouldchuckwo

发表于:2018-12-14 / 阅读(65) / 评论(0)

Wee Sing In The Car

Day-Old Mice Grow Back New Heart Tissue After Injury

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

发表于:2018-12-16 / 阅读(218) / 评论(0)

VOA标准英语2011年(三月)

VOA标准英语2012--Scientists Regrow Tissue Killed During Heart Attack

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

发表于:2019-01-14 / 阅读(54) / 评论(0)

VOA标准英语2012年(二月)

VOA标准英语2010年-Blood Vessel Disease Linked to Dementi

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

发表于:2019-01-14 / 阅读(69) / 评论(0)

VOA标准英语2010年(十一)月

60秒科学:Beating Heart Tissue from Stem Cells

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

发表于:2019-01-30 / 阅读(83) / 评论(0)

60秒科学

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学英语单词

Basel anatomical nomenclature

blade Reynolds number

blow through

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