单词：naphtha sludge
单词：naphtha sludge 相关文章
AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- how a piece of land between Europe and Asia got the name America. RS: The name honors the Italian-born explorer and navigator Amerigo Vespucci. America first appeared on a world
词汇大师(Wordmaster)
And at other times, they'd have looked more like Africa's Serengeti Plains. More than 15 millions years ago, what is now Vienna and Paris would have been submerged beneath rich tropical seas. And over
欧洲自然写真
By Sean Maroney Washington, D.C. 21 March 2007 watch Iraq Fraud report The U.S.-led war in Iraq, now entering its fifth year, has cost hundreds of billions of dollars -- spending that both supports the American military effort and attempts to rebuil
2007年VOA标准英语（三月）
By Naomi Schwarz Dakar 31 May 2007 Intermittent fighting between rebel groups in Senegal's southern Casamance region has led1,000 or more refugees to flee across the border to The Gambia. Naomi Schwarz has more for VOA from Dakar. After more than two
2007年VOA标准英语（五月）
AA: Im Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- how a piece of land between Europe and Asia got the name America.RS: The name honors the Italian-born explorer and navigator Amerigo Vespucci. America first appeared on a world m
英语单词大师-Word Master
More than 1,200 intensive care units in 75 countries examined Carol Pearson | Washington, DC 08 December 2009 Researchers found that more than half of the 14,000 patients in the study on that one day, developed infections in intensive care units Stay
VOA标准英语2009年(十二月)