单词：John Huston
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经济学人音频版 Unit5:Leaders-Spain and ETA
经济学人音频版
This is Scientific American's 60-Second Science. I am Cynthia Graber. This will just take a minute. Brains can register a foods caloric value independent of our taste buds, say scientists from Duke University and from Portugal. First the scientists e
Scientific American(三)月
In China, it is often used as a tonic 在中国，红糖通常被当作营养品 while the Teochew people use it as an ingredient for preserving food. 而潮汕人则偏爱用红糖来腌腊食物 After being roasted for 40 minutes in a wooden roaste
舌尖上的中国第一季
pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con
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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a
Scientific American(四)月
BOB DOUGHTY: This is SCIENCE IN THE NEWS, a program in VOA Special English. Im Bob Doughty. SHIRLEY GRIFFITH: And Im Shirley Griffith. Today we tell about the development of what scientists are calling a synthetic cell a cell produced by people inste
2010年VOA慢速英语(七)月