标签：Tehr 相关文章
A U.S. government report released Friday shows that output in the U.S. economy fell at a faster pace in the October to December quarter than previously reported. Gross domestic product fell at more than a six percent rate. Hand-lettered sign stands
VOA标准英语2009年(二月)
Scientists say Climate Change, Dams Threaten Mekong Livelihoods An estimated 60 million fishermen and farmers depend on the Mekong River for its rich nutrients and abundant fish. A new study by a group of scientists said by 2050 climate change could
VOA标准英语2013年(四月)
By Gilbert Da Costa Abuja 01 March 2006 The World Bank says Nigeria is still struggling with an outbreak of the deadly H5N1 strain of bird flu since the first confirmed case was reported weeks ago. Th
2006年VOA标准英语（三月）
By Greg Flakus San Antonio, Texas 06 January 2006 Dry conditions and high winds are making life difficult for firefighters in Texas, where wildfires continue to threaten life and property in various p
2006年VOA标准英语（一月）
By Scott Bobb Johannesburg 13 February 2007 Relief agencies in southern Africa say rising flood waters across several countries in the region are threatening 500,000 people and that more than 60,000 have been evacuated in Mozambique. Aid groups repor
2007年VOA标准英语（二月）
By Margaret Besheer 25 December 2006 The Christmas holidays are often the most difficult time of year for U.S. service members deployed overseas and far from their families. In Iraq, troops celebrated together, but thoughts of their loved ones were
2006年VOA标准英语（十二月）
TECHNOLOGY REPORT - Huawei and ZTE Deny Claims That They Present a Security Threat to the United States 科技报道 - 华为和中兴否认对美国国家安全造成威胁 From VOA Learning English, this is the TECHNOLOGY REPORT in Special English.
2012年VOA慢速英语(十)月
By Larry London Washington 23 April 2007 Hoobastank Although the members of the Los Angeles rock band Hoobastank are still in their mid-twenties, they have spent over a decade writing and performing music. The veteran band has already enjoyed interna
2007年VOA标准英语（四月）
By Andre de Nesnera Washington 29 December 2006 Russia's state-controlled gas monopoly Gazprom says it will dramatically increase natural gas prices for Belarus. In this report from Washington, VOA Senior Correspondent Andr de Nesnera discusses the
2006年VOA标准英语（十二月）
Presumptive Democratic presidential nominee Barack Obama has repeated a call for more US troops and greater funding for Afghanistan as part of his plan to overhaul America's war on terrorism. VOA's Michael Bowman reports from Washington, Senator Oba
VOA标准英语2008年（七月）
By Al Pessin Bratislava, Slovakia 23 October 2009 NATO defense ministers Friday endorsed the kind of broad counterinsurgency approach for Afghanistan that is the basis for the pending troop request by the NATO and the U.S. commander there, General S
VOA标准英语2009年(十月)
Our galaxy is rushing toward the great galaxy Andromeda, they are rushing toward each other. And they are going to encounter each other in a couple billion years. Abraham and his colleagues decide to try to simulate this clash of the Titans. This was
自然百科2011年
We've transported the earth 3 billion years into the future. The sky is dominated by a massive galaxy called Andromeda. The view looks peaceful enough. But whats about to happen is one of the greatest calamities in the universe. The clues lie in thes
自然百科2011年
So what we are looking at is a region about 200 million light years across which is actually just a small part of our really big simulation that we call Bolshoi which is Russian for big. Everything that you see here is actually completely invisible.
自然百科2011年
All of the galaxies, all of the stars, and gas and dust and planets, and everything else that we can see with our greatest telescopes represent about half of one percent of whats actually/out there. The rest is invisible. It is mostly some mysterious
自然百科2011年
They were once thought to mark the outer limits, but today astronomers believe the Milky Way galaxy is much bigger than what we can see. To understand why, we will travel to the stars of the outer galactic disc. Far from our usual place in space, we
自然百科2011年
To understand how these calamities occur, astronomers need to catch a massive star in its death throes. Astronomers are like detectives. We have to figure out what's going on in the universe, sometimes based on a minimum number of clues. And in the c
自然百科2011年
Once theyve caught the light of a dying star with their state of our telescopes. The detective work can begin. We collect that light and we analyze it in great detail in order to determine whats going on, whats the chemical makeup of the star, whats
自然百科2011年
By Pearse Lynch Nairobi 04 August 2006 Deep divisions within the transitional government of Somalia appear to be worsening, with four more ministers defecting from the administration. International observers fear rising tension in Somalia could engu
2006年VOA标准英语（八月）
By Kurt Achin Kyoto 04 May 2007 Asia's economic development is a success story that has been decades in the making. But in the past decade, the region has become a key factor in a global imbalance marked by too much reliance on exports by countries i
2007年VOA标准英语（五月）