单词：coccolith
vegetable, often abundant in deep-sea mud.
单词：coccolith 相关文章
E coli: Good Bacteria Gone Bad As a major outbreak of a highly toxic strain of E. coli bacteria continues to sicken residents of Europe, medical experts are racing to find the source. E. coli doesn't usually cause any trouble, says University of Minn
VOA标准英语2011年(六月)
By Phillip Wellman Dakar 14 October 2007 The United States Agency for International Development and the U.S.-based World Cocoa Foundation have agreed to launch a multi-year partnership aimed at improving education and providing greater opportunities
2007年VOA常速英语（十月）
BERLIN, June 14 (Xinhua) -- A two-year-old boy became the first child to be killed by the deadly E. coli in Germany on Tuesday, officials said. To date, the terrifying EHEC infection has claimed 36 lives in Germany and one in Sweden. The child, from
英语新闻
BERLIN, June 9 (Xinhua) -- A 57-year-old man died of E. coli infection in Germany's Frankfurt Thursday, pushing the death toll from the bacteria to 30. The man had traveled with his wife to the city of Hamburg, an epicenter of the outbreak, Frankfurt
英语新闻
THE HAGUE, June 1(Xinhua) -- Five people in the Netherlands have been sickened with an unusual strain of the E. coli bacteria, the institute for public health (RIVM) reported Wednesday. Of the five patients, four also suffered from intestinal problem
英语新闻
COPENHAGEN, June 7 (Xinhua) -- The outbreak of infections caused by E. coli bacteria may be over in Denmark as no new cases have been reported here since Friday. According to Denmark's National Serum Institute (NSI), there are 18 confirmed cases of s
英语新闻