-
音频下载[点击右键另存为]
Most rice grows in wet environments, but too much water can be disastrous for rice crops. Plant biologist Pamela Ronald helped create a type of flood-resistant rice that i
voa标准英语|美国之音常速英语下载|在线收听2009-03-13 -
音频下载[点击右键另存为]
President Obama has lifted restrictions on the use of federal money for research using embryonic stem cells. Some researchers are already making progress using stem cel
voa标准英语|美国之音常速英语下载|在线收听2009-03-13 -
音频下载[点击右键另存为]
Glaucoma is a blinding eye disease that affects about 4 percent of the world population, and about half of all glaucoma cases remain undiagnosed. On the second annual Worl
voa标准英语|美国之音常速英语下载|在线收听2009-03-13 -
音频下载[点击右键另存为]
A World Bank study shows that one out of every five adults in Nigeria is unemployed and just one out of every ten university graduates gets a job. It's not uncommon to se
voa标准英语|美国之音常速英语下载|在线收听2009-03-13 -
音频下载[点击右键另存为]
U.S. President Barack Obama is calling on America's allies to further coordinate efforts to jump-start their economies. The president also is expected to sign a bill Wedn
voa标准英语|美国之音常速英语下载|在线收听2009-03-12 -
音频下载[点击右键另存为]
Secretary of State Clinton says parties to the Chinese-sponsored talks on North Korea are prepared to discuss a joint response, including possible U.N. Security Council ac
voa标准英语|美国之音常速英语下载|在线收听2009-03-12 -
音频下载[点击右键另存为]
French President Nicolas Sarkozy officially announced Wednesday that France would rejoin NATO's military command more than four decades after leaving it.President Sarkozy
voa标准英语|美国之音常速英语下载|在线收听2009-03-12 -
音频下载[点击右键另存为]
Iran's President Mahmoud Ahmadinejad spoke Wednesday at the opening of the Economic Cooperation Organization summit in Tehran that brings together 10 regional countries.
voa标准英语|美国之音常速英语下载|在线收听2009-03-12 -
音频下载[点击右键另存为]
U.S. officials are warning that Islamic extremists are attempting to radicalize and recruit Somali Americans. An American college student became the first U.S. citizen sui
voa标准英语|美国之音常速英语下载|在线收听2009-03-12 -
音频下载[点击右键另存为]
President Obama has indicated the United States might be willing to consider talks with at least some moderate insurgent elements in Afghanistan. The United States used a
voa标准英语|美国之音常速英语下载|在线收听2009-03-12 -
音频下载[点击右键另存为]
Nobel Prize-winning economist Joseph Stiglitz says the global economic system is stacked against developing countries. He warns rich countries will lose out by ignoring th
voa标准英语|美国之音常速英语下载|在线收听2009-03-12 -
音频下载[点击右键另存为]
President Barack Obama has now reached the halfway mark in his first 100 days in office, a traditional benchmark when new presidents are evaluated on their progress. Mr. O
voa标准英语|美国之音常速英语下载|在线收听2009-03-12 -
音频下载[点击右键另存为]
Africa's highest security body asked the United Nations on Wednesday to lift an arms embargo on Somalia's government to allow it to equip defense forces facing well-arme
voa标准英语|美国之音常速英语下载|在线收听2009-03-12 -
音频下载[点击右键另存为]
The best way to improve U.S. relations with Latin America is by fixing the U.S. economy, according to analysts who testified before a Congressional committee in Washington
voa标准英语|美国之音常速英语下载|在线收听2009-03-12 -
音频下载[点击右键另存为]
Pakistani-American organizations are urging the Obama administration to express support for Thursday's planned opposition demonstration in Pakistan, calling for an indepe
voa标准英语|美国之音常速英语下载|在线收听2009-03-12 -
音频下载[点击右键另存为]
Jazz guitarist and composer Chuck Loeb is the consummate world traveler. His music has taken him around the globe, including frequent tours to Europe and Asia.
The ev
voa标准英语|美国之音常速英语下载|在线收听2009-03-12 -
音频下载[点击右键另存为]
Slavery ended in the United States in 1865, but its legacy has loomed large over the nation ever since. In 1997, journalist Sana Butler set out to explore what impact slav
voa标准英语|美国之音常速英语下载|在线收听2009-03-12 -
音频下载[点击右键另存为]
Nearly 600,000 Americans lost their jobs this past month, pushing the nation's unemployment rate to 7.6 percent. But not all of those laid-off workers are sitting at home
voa标准英语|美国之音常速英语下载|在线收听2009-03-12 -
音频下载[点击右键另存为]
White House budget director Peter Orszag told U.S. lawmakers Tuesday that investing in health care is key to creating economic growth.
Testifying before the Senate Bud
voa标准英语|美国之音常速英语下载|在线收听2009-03-12 -
音频下载[点击右键另存为]
Spring is nigh in all but the coldest northern reaches of the United States. That means the snow is gone from T-ball fields, and the players will soon be throwing and hitt
voa标准英语|美国之音常速英语下载|在线收听2009-03-12 -
音频下载[点击右键另存为]
A roadside explosion has killed a senior security official in Mogadishu, along with at least two other people, as Somalia's parliament prepared to take up a government pr
voa标准英语|美国之音常速英语下载|在线收听2009-03-12 -
音频下载[点击右键另存为]
NASA officials are delaying the launch of space shuttle Discovery after engineers discovered a hydrogen leak.
Officials moved to delay the launch to give engineers tim
voa标准英语|美国之音常速英语下载|在线收听2009-03-12 -
音频下载[点击右键另存为]
Australian researchers have studied the navigation skills of insects to develop a pioneering weapons-guidance system. The insect-inspired tracking technology has been laun
voa标准英语|美国之音常速英语下载|在线收听2009-03-12 -
音频下载[点击右键另存为]
Stock prices rose on many of the world's markets Tuesday after a report that troubled Citigroup posted its best financial performance in more than a year in the first two
voa标准英语|美国之音常速英语下载|在线收听2009-03-11 -
音频下载[点击右键另存为]
A group of economists has told Democrats in Congress on Tuesday that it might take longer for the recently-passed $787 billion stimulus plan to generate the number of jobs
voa标准英语|美国之音常速英语下载|在线收听2009-03-11
手机网站