单词：Rickettsia exanthematofebri
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Were interacting with the five most popular songs in the Billboard Hot 100 Pop Singles chart, for the week ending February 25, 2017. When an artist performs at the Super Bowl and the Grammy Awards one week apart, good things tend to happen on the cha
VOA标准英语2017年(二月)
Were getting to know the five most popular songs in the Billboard Hot 100 Pop Singles chart, for the week ending February 11, 2017. The hit list gets a pre-Grammy shakeup this week, welcoming two new additions. Number 5: Zayn Taylor Swift I Don't Wan
VOA标准英语2017年(二月)
Guitarist Tom Principato has been a mainstay on the Washington, D.C. blues scene for more than 40 years. Tom's new CD was inspired by family, friends and collaborators who helped shape his life on and off the stage. Like many kids growing up in the 1
VOA标准英语2011年(二月)
Top 5 Songs for Week Ending Feb. 15 Were taking a look at the five most popular songs in the Billboard Hot 100 pop singles chart, for the week ending February 15, 2014. Our lineup experiences a phenomenon known as the Grammy Bounce, in which songs pe
VOA标准英语2014年(二月)
By Zulima Palacio Washington 08 May 2008 Although the government and researchers halted most clinical trials for an AIDS vaccine, a research institute in Baltimore continues its work on the most deadly virus of our times. Vaccine trials were stopped
VOA标准英语2008年（五月）
By David Gollust Washington 12 March 2007 The U.S. State Department's top diplomat for Europe says he believes the U.N. Security Council will be able to approve a final-status plan for Kosovo, despite the failure of U.N. envoy Martti Ahtisaari to co
2007年VOA标准英语（三月）