单词:bacteiolysin
单词:bacteiolysin 相关文章
By Efam Dovi Accra 31 March 2007 Ministers from the Economic Community of West African States have agreed to use biotechnology to increase food production in their region. The agreement was reached at the third ECOWAS ministerial meeting on biotechno
新编英语教程第五册unit07_1_dollys_false_legacy
By Dan Robinson Capitol Hill 28 June 2007 President Bush and majority Democrats in Congress are heading toward a constitutional showdown involving the controversy over the firing of federal prosecutors. VOA's Dan Robinson reports, Democrats accuse th
A spokesman says Ethiopian troops will complete their withdrawal from Somalia within days, and that sufficient precautions have been made to prevent a feared power vacuum when they are gone. Troop convoys have been seen pulling back to positions acr
By Barry Newhouse Irbil 11 February 2007 Iraqi army soldier inspects a car destroyed in a car bomb explosion in central Baghdad, 11 Feb 2007 As Baghdad residents prepare for new security measures they hope will reduce the capital's chaotic violence,
图片1 图片2 图片3 图片4 图片5 图片6 图片7 图片8 图片9 图片10 图片11 图片12