单词：papillogenesis
单词：papillogenesis 相关文章
By Cathy Majtenyi Nairobi 11 February 2007 In Kenya, a United States-led coalition of governments, conservation groups, industries and scientists Saturday launched a global initiative to fight the $1 billion illegal trade in wildlife. Cathy Majtenyi
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EXPLORATIONS - April 10, 2002: Wiley Post By Paul Thompson Anncr: Now the VOA Special English program, explorations. Today Shirley Griffith and Doug Johnson tell about pilot Wiley Post. He set new rec
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C-PAP Could Help Heart Patients Anyone whose husband, wife or partner who snores loudly is probably wishing for a separate bedroom. It's the telltale sign of obstructive sleep apnea, a chronic disorder in which the person experiences shallow breathin
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By Peter Heinlein United Nations 05 May 2006 Iran's top United Nations diplomat has accused Western powers on the Security Council of provoking a crisis over Tehran's nuclear ambitions. Council diplom
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By Michael Drudge London 09 March 2006 Britain and Brazil are calling for a summit of world leaders to break deadlocked world trade talks. The issue came up during a meeting in London between Brazilia
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By Tabinda Naeem Washington, D.C. 21 May 2007 Two years ago, the National Academy of Engineering established the Grainger Challenge Prize for Sustainability. This $1 million award was designed to challenge the world's scientists to develop a practica
2007年VOA标准英语（五月）