单词：aluminum calcium hydride
单词：aluminum calcium hydride 相关文章
This is the VOA Special English Development Report. Researchers say they have found a way to extend the storage life of a drug used to treat H.I.V. Their work could give infected mothers in the developing world a new way to prevent the spread of the
2010年VOA慢速英语(五)月
Several accords signed to boost relations between Turkey and Cameroon Ntaryike Devine, Jr. | Yaounde, Cameroon 17 March 2010 It was the first trip to Africa for the Turkish president, who arrived in Cameroon yesterday accompanied by 120 businessmen,
VOA标准英语2010年(三月)
DAVID GREENE, HOST: So getting calcium in your diet is essential to keeping your bones strong. Well, what do you do if you can't do dairy? A Navajo graduate student at Northern Arizona University got really interested in that question when he came ac
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Soon after taking up his position, Davy began to bang out new elements one after anotherpotassium, sodium,magnesium, calcium, strontium, and aluminum or aluminium, depending on which branch of English you favor. 上任不久，戴维开始宣布发现一
万物简史
火山爆发 The Eruption of Volcano abundant adj. 丰富的，富余的 accretion n. 增长 accumulation n. 积聚，堆积物 active volcano 活火山 Alaska Volcano Observatory 阿拉斯加州火山观
英文语法词汇
U.S. retail sales fell half a percent in June providing more evidence that the U.S. economic recovery will slow down in the second half of the year. But the weaker than expected consumer spending appeared to have little impact on Wall Street as inves
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