单词：acetylize
v introduce an acetyl group into (a chemical compound)
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US Aid Groups Organize HIV/AIDS Camps in Africa In parts of the world where it is summer time and schools are out, many kids go to camps for different activities and fun. In Africa, there is a growing trend among U.S.-based aid groups to organize HIV
VOA标准英语2011年(七月)
A Abrine 相思豆碱 O-Acetyl-3,6-di-O-β-D-xylopy-rano- astragaloside O-乙烯 3,6-双氧-β-D- 吡喃木糖基绵毛黄芪甙 Acetylastragaloside 乙酰黄芪甙 N-Acetyl-D-Glucosamine N-乙酰氨基
医务英语
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单词解析速记
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单词解析速记
Grammar Girl here. Last week we talked about capitalizing words in the business world. Today we're going to talk about capitalization in general. If you recall, in English, we capitalize proper nounswords that name a specific thing or person, words s
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Grammar Girl here. In today's episode, well talk about capitalizationits overuse and its misuse in the business world. Lets talk about why capitalization of some words is a capital idea, and why uppercasing other words could be considered a capital o
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Grammar Girl here. Today guest-writer Bonnie Trenga is helping us talk about two sets of words that listeners get confused: pleaded guilty or pled guilty, and use or utilize. Plead Versus Pled Mike from Georgia is transitioning from law enforcement t
英语语法 Grammar Girl
'Occupy Wall Street' Movement Gains Size, Support One month after the Occupy Wall Street protesters moved into New York City's Zuccotti Park, the movement has spread globally, and gained momentum at home. Inspired by the Occupy Wall Street movement,
VOA标准英语2011年(十月)
UnderseaCableCouldRevolutionizeOceanography This past April, there was a big volcanic eruption in Americas Pacific Northwest. If you missed it, you're not alone. It happened under the ocean off the northern Oregon coast. Since then, several research
VOA标准英语2011年(九月)
By Matt Steinglass Hanoi 11 December 2007 Vietnam has been holding four Vietnamese-born American citizens since late November, accusing them of terrorism. The U.S. ambassador to Hanoi has criticized Vietnam's conduct in holding the U.S. citizens. Mat
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By Greg Flakus Houston 15 February 2007 The U.S. Attorney's Office in Houston is planning to ask that accused terrorist Daniel Joseph Maldonado remain in custody without bail as it prepares its case against the man who is the first U.S. citizen char
2007年VOA标准英语（二月）
By Scott Stearns Talinn, Estonia 28 November 2006 President Bush says terrorists are trying to destabilize the Iraqi government and that he wants to know what America can do to help stop them. VOA White House Correspondent Scott Stearns reports that
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By Dan Robinson Capitol Hill 30 January 2006 President Bush delivering the 2005 State of the Union address On the eve of his State of the Union Address to Congress and the American people, Democrats a
2006年VOA标准英语（一月）
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The Israeli government is watching the violent unrest in Egypt - and protests in other Arab countries - with the primary concern that a radically aggressive Islamist regime could take over in Cairo and the political upheaval could spread. The protest
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Michael Drudge The principal architect of the European Union constitution says Britain will be left on the sidelines of Europe, if it rejects the treaty in a referendum. The warning about Britain's pl
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By Dan Robinson Capitol Hill 18 July 2006 As the United States intensifies its efforts to get Americans out of Lebanon, the Bush administration has defended the handling of evacuations against criticism from some opposition Democrats in Congress. --
2006年VOA标准英语（七月）
By Chad Bouchard Jakarta 19 June 2006 Indonesian health officials say the country must cull more poultry to curb growing numbers of avian influenza infections. Indonesia has confirmed its 39th human death from bird flu, and outbreaks continue. -----
2006年VOA标准英语（六月）