单词：power level safety system
单词：power level safety system 相关文章
Millions More Children to Receive Vaccines More than one million children die each year from severe diarrhea and pneumococcal disease. Today (Tuesday), the GAVI Alliance announced an expanded campaign against the two leading killers of children world
VOA标准英语2011年(九月)
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By Nico Colombant Abuja 20 April 2007 Violence and delays are marking the hours before Saturday's (today's) presidential vote in Nigeria. Militant leaders in the oil-rich but restive south are vowing to disrupt the process. VOA's Nico Colombant repor
2007年VOA标准英语（四月）
Broadcast on Coast to Coast: November 7, 2002 Rebroadcast on VOA News Now: November 10, 2002 AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER -- slang and idioms in American politics. RS: Tuesday was Election Day, and Slangman Da
词汇大师(Wordmaster)
By Stephanie Ho Washington 08 June 2006 U.S. officials have told Congress U.S. reconstruction efforts in Iraq are being significantly, and expensively, hampered by security concerns. This was among the issues raised as lawmakers grilled administrati
2006年VOA标准英语（六月）
By Jessica Berman Washington 11 May 2006 French researchers at the Sanofi Pasteur Institute say they have developed a bird flu vaccine that, so far, appears to be safe and effective in humans. But obs
2006年VOA标准英语（五月）