单词：secretory Ig A
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From NPR news in Washington, I am Jeanie Herbst. Defense Secretory Ash Carter is on his way to the middle east to try to persuade US allies there to put more resources into the fight against Islamic State. NPR's Scott Horsley reports the mission come
2015年NPR美国国家公共电台12月
Hello, I am Carl Azuz, welcome you to a new day and a new month, CNN Students, we are gonna take flight with some California teenagers on the beat, but we are beginning today with an anniversary. Tonight, I come forward to the American people and to
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By Cathy Majtenyi Nairobi 09 February 2007 In Kenya, efforts to cut down on child prostitution in tourist areas along the coast have recently been boosted as more establishments are agreeing to sign a code of conduct to protect children from sexual
2007年VOA标准英语（二月）
Human Rights Campaign Complements US Effort to Fight LRA U.S. President Barack Obama's decision to send military advisers to central Africa to help in the fight against Lord's Resistance Army rebels follows a long, determined effort by rights groups
VOA标准英语2011年(十月)
From NPR News in Washington, I'm Korva Coleman. Afghanistan President Hamid Karzai is claiming the United States is working with the Taliban in an effort to keep U.S. troops in Afghanistan. He says the U.S. and militants are scaring Afghans into beli
2013年NPR美国国家公共电台3月
The body's internal clock helps to regulate a water-storing hormone so that nightly dehydration or trips to the toilet are not the norm, research suggests. In an article published in Nature Neuroscience today, neurophysiologists Eric Trudel and Charl
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