单词：iron matrolite
单词：iron matrolite 相关文章
By Lisa Schlein Geneva 18 May 2006 The United States has presented a draft treaty aimed at cutting off production of fissile material, the plutonium and uranium used in making nuclear weapons. A U.S.
2006年VOA标准英语（五月）
By Naomi Schwarz Northern Mauritania 17 October 2007 In arid Mauritania, where Sahara desert meets Sahel grasslands, a train stretching up to two and one half kilometers snakes along the northern border. Built to carry iron ore from mines in the nort
2007年VOA常速英语（十月）
By Paul Sisco Washington, DC 21 February 2007 watch New Discovery Center One of the newest attractions for visitors to Florida, the southernmost point in the continental United States, celebrates the undersea world in and around the famous Florida K
2007年VOA标准英语（二月）
Indian Farmers on Frontline of 'Hidden Hunger' Fight Pokharkar, a fourth-generation farmer, is just getting ready to harvest this years pearl millet crop. The grain a staple in India and in parts of Africa helps feed his family and livestock at a tim
VOA标准英语2013年(五月)
China's iron ore manufacturers say they're struggling to keep their businesses afloat because of high costs and taxes while production is on the rise for the sector's global giants. Brazil's Vale SA is the world's largest iron ore producer and it say
cctv9英语新闻2015年
By Peter Fedynsky Budapest 04 November 2009 The collapse of the Berlin Wall came as the result of social, political and economic pressures that built up over decades behind the Iron Curtain. Its demise has exposed some glaring material differences i
VOA标准英语2009年(十一月)