单词：waterleaf families
(waterleaf family 的复数)
单词：waterleaf families 相关文章
Scientists at the Massachusetts Institute of Technology (MIT) have created what could be a breakthrough in providing clean, alternative energy. Researchers have invented an artificial leaf that splits water into hydrogen and oxygen and stores the ene
创新英语
AS IT IS 2014-10-13 Hundreds of California Homes in Need of Water 加州持续干旱,生活用水短缺 Severe drought has struck California for a third year. The lack of water is affecting farms, cities and small communities. Californias Central Val
2014年VOA慢速英语(十)月
Scientists at the Massachusetts Institute of Technology have turned to Mother Nature for inspiration, inventing a device that mimics photosynthesis, the process plants use to convert sunlight and water into usable energy. MIT chemistry professor Dani
VOA标准英语2011年(四月)
In Ghana, government teams are still working to clean up debris left after Wednesday night's severe flooding in the capital. As many as 200 people are estimated to have died, as they sought shelter at a petrol station, which caught fire before explod
cctv9英语新闻2015年
Poor urban planning is partly to blame for flooding in West Africa that is affecting nearly 600,000 people. Some people in low-lying areas are being resettled. More than half of those affected by this rainy season's flooding in West Africa are in Bu
VOA标准英语2009年(九月)
By Cathy Majtenyi Nairobi 06 October 2009 Cattle struggle to survive in Kenya's drought The Masaai community in the Kajiado area of southern Kenya is struggling to cope with a drought that is now in its third year. At least half of the area's cows h
VOA标准英语2009年(十月)