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

发表于:2018-12-07 / 阅读(94) / 评论(0) 分类 创新英语

[ti:UNIT 2 Plant a Plant! Lesson 9: How Does a Plant Grow?] [0:00.532]UNIT 2 第二单元 [0:01.935]Lessons 9~16 第9~16课 [0:04.780]Plant a Plant! 培育植物! [0:06.829]You Will Learn 你将学到 [0:09.105]Functions 实际应用 [0:10.888]Ta

发表于:2018-12-13 / 阅读(152) / 评论(0) 分类 河北教育初中英语(初中起点)八年级下册

River Basins Could Help Ensure Food Security The worlds major river basins may hold the key to doubling food production in the coming years. The idea was discussed at the 14th World Water Congress in Brazil. A new report says while water shortages do

发表于:2018-12-16 / 阅读(39) / 评论(0) 分类 VOA标准英语2011年(十月)

New design produces flexible panels using only 1-2 percent as much silicon Art Chimes | Washington, DC 19 February 2010 You can use 100 times less silicon. And that's potentially very significant. Harry Atwater Schematic diagram of the light-trapping

发表于:2019-01-13 / 阅读(61) / 评论(0) 分类 VOA标准英语2010年(二月)

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

发表于:2019-01-14 / 阅读(94) / 评论(0) 分类 VOA标准英语2011年(四月)

In a small zoo camel asked his mother: Mom Mom, why do we so long eyelashes? Camel mother said: When the wind came, the long eyelashes will enable us to be able to see the direction of the storm. small camel asked: Mom Mom, why do we camels back then

发表于:2019-02-19 / 阅读(33) / 评论(0) 分类 实用英语