标签：migratory 相关文章
For the past four years, the Russian government has sought to silence critics of government policy, accusing them of being disloyal, foreign-sponsored, or even traitorous. 过去的4年里，俄罗斯政府一直想尽办法湮没对政府政策的批评
VOA标准英语2017年(一月)
Pastoral Societies Seek Place Amid Change 游牧社区在改变中寻求生存之道 KISERIAN, KENYA Pastoralist communities around the world often live at the margins of modern day states, but pastoralist leaders maintain that their traditional live
VOA标准英语2014年(一月)
Locust Infest More of Madagascar The locust plague in Madagascar is getting much worse. More than half the nation is now infested. The U.N. says time is rapidly running out to bring the voracious insects under control. The Food and Agriculture Organi
VOA标准英语2013年(六月)
Lesson 1 Finding fossil man 发现化石人We can read of things that happened 5,000 years ago in the Near East, where people first learned to write. But there are some parts of the world where even now people cannot write. The only way that they can
新概念英语85年上外美音版
WHO Says Seven Million Could Die in Flu Pandemic 世界卫生组织称流感一旦爆发可能造成700万人死亡 The World Health Organization warns between 25 and 35 percent of the world populatio
VOA2005（下）--国政军事聚焦
By Amberin Zaman Ankara 05 January 2006 Turkish officials say two teenagers are believed to have died from bird flu. If the cases are confirmed to be the deadly H5N1 strain, they would be the first hu
2006年VOA标准英语（一月）
By Lisa Schlein Geneva 28 September 2006 Leading avian influenza scientists from around the world say more research is needed to understand the H5N1 bird flu virus to be able to effectively diagnose and treat the disease. That's the conclusion of sc
2006年VOA标准英语（九月）
European Union interior ministers have agreed to common immigration and asylum standards at a meeting in Brussels, but they still remain at odds over the details of a so-called blue card for skilled foreign workers. Lisa Bryant has more from Paris.
VOA标准英语2008年（九月）
By Sabina Castelfranco Rome 21 March 2006 South African President Thabo Mbeki began a three-day state visit to Italy aimed at strengthening relations in order to speed economic growth. His first meeti
2006年VOA标准英语（三月）
By Deborah Block Washington, D.C. 26 June 2006 watch Bird Flu report Researchers are working on developing vaccines for bird flu before it becomes a worldwide epidemic. The University of Massachusetts Medical School in the United States has teamed w
2006年VOA标准英语（六月）
Numerous Encephalitis Cases Devastate North India In India every year, during the rainy monsoon season, hundreds of children die or become disabled, physically or mentally, after contracting Japanese encephalitis. Doctor K. P. Kushwaha is a senior pe
VOA标准英语2012年(九月)
Environmental groups call for time out from offshore exploratory drilling Zulima Palacio | Washington, DC 24 May 2010 Environmentalists argue the harsh climate in northern Alaska would make cleaning up any potential offshore oil spill extremely diffi
VOA标准英语2010年(五)月
Wind Turbines Take Steep Toll On Birds And Bats Estimates by the Department of Energy indicate that in the United States alone, there will be more than 100,000 wind turbines by 2030. John Anderson is policy director at the American Wind Energy Associ
VOA标准英语2012年(十月)
Birds and planes have been colliding since the Wright brothers first took to the air. There are dozens of bird strikes each day, causing hundreds of millions of dollars in damage to airplanes each year, and putting the lives of passengers and crew me
VOA标准英语2010年(十)月
AUDIE CORNISH, HOST: Sometimes good research can get done with a tool so simple a child could do it. For instance, scientists around the world recently set out thousands of fake caterpillars made from clay. NPR's Nell Greenfieldboyce explains why. NE
2017年NPR美国国家公共电台5月
If you are lost, you need a map and a compass. The map pinpoints where you are and the compass orients you in the right direction. Migratory birds, on the other hand, can traverseentire hemispheres and end up just a couple of miles from where they br
2015年Scientific American(十)月
By Greg Flakus New Orleans 22 April 2008 U.S. President George Bush and the leaders of Canada and Mexico concluded their two-day summit meeting in New Orleans Tuesday, highlighting the benefits all three nations have gained from the North American Fr
VOA常速英语2008年（四月）
Turkish health minister Recep Akdag says preliminary tests show five more people are infected with the bird flu virus. The cases were detected in four provinces, raising the number of suspected and co
2006年VOA标准英语（一月）
By Gilbert da Costa Abuja 09 February 2006 Nigeria is implementing emergency measures to contain the spread of the H5N1 bird flu virus. Experts from the U.N. Food and Agriculture Organization are in N
2006年VOA标准英语（二月）
By Peter Fedynsky Washington, DC 11 January 2006 watch Stopping Bird Flu report Turkey this week announced 10 additional cases of bird flu in humans, bringing the total in that country to 14. Birds ha
2006年VOA标准英语（一月）