单词：Salmonella durban
单词：Salmonella durban 相关文章
CARL AZUZ, CNN STUDENT NEWS ANCHOR: It's the most awesome day of the week, and we're glad you're spending part of it with CNN Student News. I'm Carl Azuz. You're in for 10 minutes of commercial-free headlines starting right this second. First Up: Foo
CNN2010年(八)月
This is Scientific Americans 60-Second Science, Im Christopher Intagliata. Got a minute? Last month's salmonella outbreak got over 1,500 people sick. And one reason salmonella may be such a heavy hitter is that it actually hijacks our immune response
Scientific American(九)月
Salmonella Turned Into Cancer Killing Super Bug 沙门氏菌已转化为杀死癌细胞的超级战士 From VOA Learning English, this is the Health and Lifestyle Report. Not many people consider a bacterium that makes millions of people sick a frien
2015年VOA慢速英语(五)月
Durban Climate Conference Drags On With Few Signs of Progress The United Nations climate conference in Durban, South Africa has gone into overtime, as delegates met Saturday to try to reach agreement on several deals to fight climate change. Observer
VOA标准英语2011年(十二月)
By Scott Bobb Durban 14 June 2007 South Africa boasts some of the most beautiful beaches in the world,which attract millions of tourists each year. A series of fatal shark attacks in the Durban area in the 1940s led local authorities to install shark
2007年VOA标准英语（六月）
Thousands March for Climate Action in Durban Activists, rights groups and citizens from around the world took to the streets of Durban Saturday to urge government negotiators at the U.N. climate change conference to take their demands seriously. In a
VOA标准英语2011年(十二月)