单词：ore water engineering
单词：ore water engineering 相关文章
Report: Ecosystems More Stressed Than Ever When Super Storm Sandy ravaged the U.S. East Coast and inundated New York City in late October, many wondered if such extreme weather events might be linked to climate change, the gradual warming of the plan
VOA标准英语2012年(十二月)
Algae naturally produce oil, when its process start with oil turned into bio fuels, an alternative energy source. This is just one snag. Harvesting the oil from algae-float water is prohibitively expensive. But researchers have come up with an effort
Scientific American(一)月
SCIENCE IN THE NEWS - Mangrove Forests Among the Most Carbon-rich Forests in the World BOB DOUGHTY: This is SCIENCE IN THE NEWS, in VOA Special English. Im Bob Doughty. FAITH LAPIDUS: And Im Faith Lapidus. This week, we will tell how coastal forests
2011年VOA慢速英语(五)月
More Malians Flee to Mauritania Theres a growing number of Malian refugees in neighboring Mauritania. Most are being taken to a camp about 30 kilometers from the border. However, a medical aid group says theres an increasing demand at the camp for cl
VOA标准英语2012年(四月)
EDUCATION REPORT - Foreign Student Series #15 Institute of International Education Report By Nancy Steinbach Broadcast December 26, 2002 This is the VOA Special English Education Report. We continue o
教育与新闻
By Tabinda Naeem Washington, D.C. 21 May 2007 Two years ago, the National Academy of Engineering established the Grainger Challenge Prize for Sustainability. This $1 million award was designed to challenge the world's scientists to develop a practica
2007年VOA标准英语（五月）