单词：
单词： 相关文章
For many years, we have been told that China is rich in various natural resouces so many people take it for granted that they are inexhaustible. people have not considered that one day some of these natural resources will be used up and that we will
疯狂英语易背作文
When the wind picks up at the foot of the Rockies, there are those who believe they can hear the future. At the National Renewable Energy Laboratory, making alternative power sources competitive with fossil fuels has been a mission since the energy
国家地理2008年
New Technology Harvests Energy from River and Tidal Movement A number of companies have used the wind and sun to produce energy. Now, one company is using the force of flowing rivers and ocean currents. The company is based in the U.S. state of Maine
2018年VOA慢速英语(四)月
3D Gaming Technology Predicts Ocean Future The Nereus model incorporates climate change models, data related to human activities, and changes in the oceans food webs to calculate a timeline for harvestable marine life from 1960 to the year 2060. Nere
VOA标准英语2012年(二月)
By Brian Wagner Key West, Florida 06 March 2008 Researchers in the United States are set to begin testing underwater turbine systems that can produce electricity from ocean water flows. The projects in Florida are the latest efforts to find alternati
VOA标准英语2008年（三月）
Ocean Size Love Leigh Nash I know what I'm doing may be dumb I know I should not be staring at the sun But the thought of it leads me to temptation It's the same whatever side you're on Separated we are delicate and small And the space, between us, l
好听的英文歌曲