单词：photopolymerizes
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By Scott Stearns White House 30 March 2007 President Bush has apologized for the poor living conditions for some wounded servicemen and women at a military hospital outside the capital. VOA White House Correspondent Scott Stearns has the story. Presi
2007年VOA标准英语（三月）
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Are your car bumpers riddled with scars from encounters with tight parking spaces? Did the furniture movers scratch your floor? Wouldn't it be great if t
Scientific American(四)月
This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because
Scientific American(三)月
Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c
Scientific American(一)月
Lowering the Ceiling on Roof Energy Losses Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because traditional black asphalt roofs heat up in summer and s
60秒科学
This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor
Scientific American(九)月
Patients undergoing coronary bypass surgery need implants of new, healthy blood vessels. So do those who receive repeated hemodialysis due to kidney failure. The best option is to use the patient's own veins or arteries, but thousands of patients don
Scientific American(二)月
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene
Scientific American(四)月
Research Breakthrough for Biodegradable Tires? 研究人员研发完全可降解轮胎 Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas AM Universitys campus in the Gulf nation o
2016年VOA慢速英语(九)月
By Challiss McDonough Cairo 25 April 2007 An Iraqi displaced woman attends a photo exhibition in Karbala, for the victims of violence who were killed in the province, 25 Apr 2007 A new United Nations report says violence in Iraq is continuing to clai
2007年VOA标准英语（四月）
By David Gollust Washington 24 April 2007 Syrian lawer Anwar al-Bunni (File) The United States has criticized the five-year prison term handed down against Syrian human-rights activist Anwar al-Bunni. VOA's David Gollust reports from the State Depart
2007年VOA标准英语（四月）
By VOA News 29 May 2006 Condoleezza Rice (file photo) U.S. Secretary of States Condoleezza Rice has marked the 16th anniversary of democratic elections in Burma, which were disregarded by the country's military government. She said the years have be
2006年VOA标准英语（五月）
By Marissa Melton Washington 24 March 2007 President Bush used his weekly radio address Saturday to discuss two major disagreements between his Republican administration and the Democratic-controlled Congress. One is about a congressional demand for
2007年VOA标准英语（三月）
By Scott Stearns White House 23 March 2006 President Bush has normalized trade relations with Ukraine, lifting restrictions that were put in place when the nation was part of the former Soviet Union.
2006年VOA标准英语（三月）
Pope Benedict XVI waves to faithful during his weekly general audience at St. Peter's square at The Vatican, 17 Mar 2010 Pope Benedict has written to Catholics in Ireland to apologize for the sexual abuses carried out by the clergy in that country ov
VOA标准英语2010年(三月)
Hillary Clinton has made her first trip to the West Bank as U.S. Secretary of State, criticizing Israel for its plans to demolish a large number of Arab homes in East Jerusalem. She has also reaffirmed U.S. support for Palestinian statehood. But man
VOA标准英语2009年(三月)
By Stephanie Ho Washington 11 July 2006 US Marines on patrol in Iraq (File photo) The U.S. Government Accountability Office, an independent investigative arm of Congress, has released a report that criticizes the Bush Administration's strategy for s
2006年VOA标准英语（七月）
By Robert Berger Jerusalem 12 February 2006 Israel has sharply criticized Russia's decision to open a dialogue with the Islamic militant group Hamas, following its victory in Palestinian parliamentary
2006年VOA标准英语（二月）
By Paula Wolfson White House 04 October 2006 U.S. President George Bush has signed legislation that provides roughly $1.2 billion for fencing and other enhanced security measures along the border with Mexico. ------- George Bush speaks in Scottsdale
2006年VOA标准英语（十月）
By David Gollust Washington 08 February 2007 Secretary of State Condoleezza Rice told Senators Thursday she has instructed the chief of the U.S. diplomatic mission in Damascus to engage the Syrian government on the issue of Iraqi refugees. The move i
2007年VOA标准英语（二月）