单词：pyrroporphyrin
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Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. NationalGeographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti
国家地理2008年
Today, guest-writer Neal Whitman will help us understand why the word troops can refer to the number of individuals or groups. What Does Troops Mean? Memorial Day is next week, when we in the U.S. honor members of the military who have died in the li
英语语法 Grammar Girl
By Mario Ritter Broadcast: October 7, 2003 This is Doug Johnson with the VOA Special English Agriculture Report. Today we finish a two-part series. A listener in Brazil asked about 1)agroecology. This
VOA2003（下）-农业与经济
By Mario Ritter Broadcast: September 30, 2003 This is Steve Ember with the VOA Special English Agriculture Report. This week, we take a suggestion from a listener in Brazil. Agricultural specialist Lu
VOA2003（下）-农业与经济
One main goal in the renewable energy field is to find an efficient, inexpensive way to split water into hydrogen and oxygen. The hydrogen could then be used as a fuel source for vehicles or fuel cells. Typically, an electric current breaks the water
Scientific American(四)月
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英语单机游戏
By Phil Mercer Sydney 19 April 2006 Residents watch the smoke rise in Honiara, the Solomon Islands capital, Wednesday, April 19, 2006 after a night of rioting in the aftermath of the election of Snyde
2006年VOA标准英语（四月）
By Jeffrey Young Washington 12 June 2007 To most Americans, the governments in their towns and regional areas, called counties, are the governments they interact with the most. And alongside these local governments are groups of citizens who work on
2007年VOA标准英语（六月）
Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. National Geographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti
自然百科2008年
By Stephanie Ho Washington 15 November 2006 The non-profit group , One Laptop per Child has unveiled a low-cost, high-durability laptop computer that it says it wants to put into the hands of children across the globe. Children's laptop from One Lap
2006年VOA标准英语（十一月)
By Ernest Leong Washington, D.C. 10 November 2006 watch Gates profile Robert Gates, President Bush's nominee to become the new U.S. Defense Secretary, is a former CIA Director with decades of experience in the national security field. He has also se
2006年VOA标准英语（十一月)
By Cathy Majtenyi Nairobi 01 February 2007 Burundi has agreed to offer troops for the African Union peacekeeping initiative in Somalia. Meanwhile, Uganda's parliament is brushing aside attempts by the ruling party to push through a motion to send Uga
2007年VOA标准英语（二月）
Earlier this year, President Bush said the United States would spend $350 million over five years to fight seven of the world's most common parasitic and bacterial diseases affecting hundreds of millions of people in tropical regions of the world. A
VOA标准英语2008年（七月）
今天我们要学的词是robocall。 Robocall指的是由计算机系统自动拨号，播放事先录制的电话留言的宣传电话。Robocall是产品促销和政治竞选的常用手段。A GOP group launched its robocall campaign against Sen
英语每日一词
Probiotic yoghurt drinks and supplements dont live up to their promises, according to an EU watchdog. They claim to boost your immune system and help digestion. It concluded there is no scientific proof that products such as Yakult have any health be
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OMG! Congratulations to both of you!! How did he pop the question??OMG! 祝贺你们俩啊！！他怎么求的婚啊？？
OMG美语
By Zulima Palacio, Cindy Saine Washington, D.C. 05 July 2006 Watch Protest Report Protestor A small group of about 15 people gathered in front of the Washington bureau of the New York Times Monday to protest the paper's publishing of what some call
2006年VOA标准英语（七月）
BEIJING, Nov. 22 (Xinhuanet) -- Global AIDS deaths and new HIV infections have each dropped 21 percent since the peak of the AIDS pandemic in 1997, according to a UN report released Monday. One major factor responsible for the result is that life-sav
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