自主神经丛
(plexus autonomici 的复数)

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(241) / 评论(0)

VOA标准英语2011年(三月)

英语音频杂志：恐龙是什么样子的？

What did a dinosaur look like? By Linda Baxter Can we believe what we see? Dinosaur art has a long history. Life-size models in natural history museums, paintings and drawings, children's toys, and of course, the recent spate of computer generated fi

发表于:2019-01-02 / 阅读(95) / 评论(0)

英语音频杂志

科学家从6千8百万年之久的恐龙骨中提取软组织

Scientists Extract Soft Tissue from 68-Million-Year-Old Dinosaur Bone 科学家从6千8百万年之久的恐龙骨中提取软组织 U.S. scientists have recovered soft tissue from the bones of a near

发表于:2019-01-03 / 阅读(33) / 评论(0)

VOA2005（上）--环境科学探索

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(70) / 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(88) / 评论(0)

60秒科学

恐龙的鼻孔应该位于口部上方

57 恐龙的鼻孔应该位于口部上方 DATE=8-23-01 TITLE=SCIENCE REPORT - Dinosaur Noses BYLINE=George Grow （Start at 1'01

发表于:2019-01-30 / 阅读(140) / 评论(0)

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学英语单词

a superman

AC ringing

allograft rejection

arm circumduction method