单词：corneal grafts
(corneal graft 的复数)
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Former Soviet states including Russia say they will help stop ethnic violence in Kyrgyzstan which has left more than 100 dead. The Collective Security Treaty Organization met for emergency talks in Moscow, but it's not released details on whether mil
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Bill Clinton Why did Bill Clinton get fired from his job at K.F.C.? Because he couldn't keep his lips off the breasts and thighs. Notes: 1.Why did Bill Clinton get fired from his job at K.F.C.? 为什么比尔克林顿被肯德基炒了鱿鱼？ 2.Be
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For many of us, walking in the rain can be a pleasant and even soothing experience. For those of us who wear glasses, though, drops of water on the lenses and obscured vision can have us running for c
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Scientists say they have successfully tested artificial blood vessels grown in the laboratory. In a heart bypass operation, surgeons typically remove a vein from a patient's leg and use it to replace blocked arteries that feed the muscles of the hear
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ROBERT SIEGEL, HOST: We're going to hear now how doctors in Europe used genetically engineered skin cells to treat a child who was on the verge of death from a rare inherited disease. The treatment represents a notable success for the field of gene t
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But I want to suggest that there's also a fifth one. 但我想说还有第五阶段。 And I think of this as a kind of existential wake-up call. 我想这是一种自我觉醒。 That night in my apartment, after I got done kicking myself and so for
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Scientists say they have successfully tested artificial blood vessels grown in the laboratory. In a heart bypass operation, surgeons typically remove a vein from a patient's leg and use it to replace blocked arteries that feed the muscles of the hear
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激光手术，大饱眼福 For many of us, walking in the rain can be a pleasant and even soothing experience. For those of us who wear glasses, though, drops of water on the lenses and obscured vision can have us running for cover. Interested in re
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HEALTH REPORT - Fetal Skin Cells May Treat Burns By Caty Weaver Broadcast: Wednesday, September 21, 2005 I'm Shep O'Neal with the VOA Special English Health Report. A method tested in Switzerland may
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By Mandy Clark London 26 December 2007 Many surgical procedures taken for granted in the West are not available to the world's poorest people. Yet, a dedicated crew of doctors and nurses, aboard Mercy Ships, bring hope and healing to those in need, w
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Voice 1 Thank you for joining us for todays Spotlight. Im Liz Waid. Voice 2 And Im Joshua Leo. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 In 1942, du
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