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Surgery has saved or improved millions of lives. Its amazing to think that doctors have the ability to cut us open and repair us. Some of the surgery nowadays is unbelievable. Doctors and surgeons can replace organs like the heart, operate on the bra
听一分钟英文-S
Passage Transcript biochemistry is a very specific area of chemical science which, studies the interactions of biological systems with chemical components, and which also determines, which chemical components and, how interacts with the human body an
一起闲话英语-English Chitchat
Members of the New York stock exchange met today to learn more about the organization's proposed merger with the electronic trading company Archipelago. The merger, announced late yesterday, would turn the exchange into a for-profit company, as NPR'
2005年NPR美国国家公共电台
But compassion has another component, 但慈悲心有另一个组成部分， and that component is really essential. 这个部分非常重要。 That component is that we cannot be attached to outcome. 这就是我们不应该耽于结果。 Now I w
TED演讲娱乐篇
By Margaret Besheer Washington 03 November 2007 NASA astronauts have successfully repaired a damaged solar wing at the International Space Station. The operation was completed Saturday, after being postponed twice so engineers could further study how
VOA常速英语2007年（十一月）
expectancy of value 预期值 expenditure 支出；开支；费用 expenditure approach 支出计算法；开支计算法 expenditure baseline 开支基线 expenditure commitment 开支承担 expendit
财会英语