单词:radionavigational aids
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Broadcast: August 5, 2003 (THEME) VOICE ONE: I'm Bob Doughty with Phoebe Zimmermann, and this is the VOA Special English program, SCIENCE IN THE NEWS. VOICE TWO: This week -- a report about the proble
By Vronique LaCapra Washington, DC 11 September 2007 In Washington, D.C., about one in fifty people has AIDS, and the annual rate of new AIDS cases is more than ten times the national average In Washington, D.C., about one in 50 people has AIDS, and
Voice 1 Welcome to Spotlight. I'm Liz Waid. Voice 2 And I'm Joshua Leo. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Today's Spotlight is on a radio pr
By Kent Klein Washington 26 March 2008 AIDS researchers are discussing where to go next, after a potential vaccine failed in two human trials several months ago. As VOA's Kent Klein reports, numerous approaches were considered at the Summit on HIV Va
By Melinda Smith Washington 24 March 2008 Scientists who have worked for decades to find a vaccine for the HIV and AIDS infections will meet next week at the U.S. National Institute of Health in Bethesda, Maryland to chart a future course for researc
Voice 1 Welcome to Spotlight. I'm Liz Waid. Voice 2 And I'm Joshua Leo. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Today's Spotlight is on a radio pr