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By Melinda Smith Washington, DC 22 June 2006 watch Stem Cell report A new medical treatment injecting embryonic stem cells and other drugs into paralyzed mice has researchers wondering if it could eventually help humans suffering from Parkinson's an
2006年VOA标准英语（六月）
A: Nice to see you; how have you been feeling lately? B: I have been feeling great, Dr. Smith. A: I am happy that you have decided to come in for your annual physical. B: Yes, I am going on a cross-country bike ride on vacation and want to make sure
英语情景对话-健康
A: Hello, so how are we feeling today? B: Things are going well for me, Dr. Smith. A: Am I correct in thinking that you are here for your annual physical? B: Yes, I am applying for new health insurance, and I need a physical examination to qualify. A
英语情景对话-健康
A: Good morning, how are you doing today? B: I have been feeling pretty good, Dr. Smith. A: So, I can see by your chart that you are here for your annual physical. B: Yes, I am playing on the tennis team this year, and they are requiring me to get a
英语情景对话-健康
Medical experts in Miami are hoping to speed up research using embryonic stem cells. Their work may lead to advances in treatment for spinal cord injuries, Alzheimer's disease and other illnesses. President Barack Obama signs an Executive Order on s
VOA标准英语2009年(三月)
U.S. President Barack Obama has lifted restrictions on federal funding for medical research using human embryonic stem cells. Mr. Obama says it is part of a broader effort to limit political interference in science. President Barack Obama signs an E
VOA标准英语2009年(三月)