单词：water storing tissue
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Broadcast: August 4, 2003 This is Bill White with the VOA Special English Development Report. Safe drinking water has always been rare and valuable. Throughout the world, drinking water has to be stor
VOA2003（下）-发展与科学
A: In case you didn't know, I'm checking out in half an hour. B: That won't be a problem, sir. A: That's good to hear. Now there's still a whole New York day ahead of me. B: You're right, sir. Your whole day is still ahead of you. A: I still have tim
英语情景对话-旅馆
DEVELOPMENT REPORT – January 7, 2002: Storing Drinking Water By Gary Garriott This is the VOA Special English Development Report. Safe drinking water has always been rare and valuable. Throughout th
农业与发展
BARBARA KLEIN: This is SCIENCE IN THE NEWS in VOA Special English. I'm Barbara Klein. BOB DOUGHTY: And I'm Bob Doughty. Today, we will tell how technology could help doctors meet demand for transplant organs. We also will tell about a scientific effo
2010年VOA慢速英语(十)月
At this time, an outbreak of novel H1N1 flu is occurring in the United States and internationally. While CDC is taking action to control the outbreak, communities, businesses, places of worship, schools, and individuals can also take steps to slow th
英语杂谈
Beating Heart Tissue from Stem Cells In a study in the journal Science, researchers explain how they used mouse embryonic stem cells and microchip technology to create heart muscle tissue that actually beats. Cynthia Graber reports One of the goals o
60秒科学