单词：artificial valve replacement
单词：artificial valve replacement 相关文章
Scientists at the Massachusetts Institute of Technology (MIT) have created what could be a breakthrough in providing clean, alternative energy. Researchers have invented an artificial leaf that splits water into hydrogen and oxygen and stores the ene
创新英语
伪足( 吞噬作用 ) pseudopodium / pseudopodia ( phagocytosis ) 假肋 false rib ( ribcage ) 假声带( 声带 ) false vocal cord ( vocal cord ) 做梦 dreaming 偏头痛 migraine 副甲状腺 parathyroid gland 副甲状腺素( 副甲状腺 ) parathyroid hormone / PTH ( parath
英文语法词汇
Cardiac medicine has made tremendous strides since the 1950s, when surgeons placed the first experimental artificial valves in the human heart. One of the pioneers in that field is Dr. Albert Starr, who co-invented the heart value - which has extende
VOA标准英语2010年(十一)月
Cardiac medicine has made tremendous strides since the 1950s, when surgeons placed the first experimental artificial valves in the human heart. 外科医生1950年代首次在人类心脏里植入了试验性的人造瓣膜。心脏医学自那以来取
VOA双语新闻 2011年2月
By Melinda Smith Washington, DC 15 February 2008 Obesity is becoming a worldwide problem, even in developing countries. But diet drinks and food prepared with sugar substitutes do not seem to help curb people's appetites. Now a new study may provide
VOA常速英语2008年（二月）
Human bodies are frail, easily damaged packages full of parts that can never fully come back once lost. Luckily, researchers worldwide are working on replacing every bit of the body to make us all cyborgs. 人的身体是十分脆弱的，有些娇弱的
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