单词：latex bitumen
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And I think particularly now, 我认为尤其是目前 as we see ourselves in a time of environmental crisis, 我们明白人类身处环境危机时代 we can learn so much from these people 我们可从这些族群身上学到许多东西 who have
TED演讲娱乐篇
Guayule- A Promising Crop From The Desert D:Holy guayule,Yale. Y:Holy what? D:Guayule.It's a desert-dwelling shrub from the Southwest. Y:What about guayule?I never even heard of it. D:Several things.One of the most important features of the guayule p
英语时差8，16
AGRICULTURE REPORT – June 18, 2002: Sunflower Rubber By George Grow This is the VOA Special English AGRICULTURE REPORT. Many farmers grow sunflower plants. The tall plants produce beautiful flowers
农业与发展
And I think particularly now, as we see ourselves in a time of environmental crisis, 我认为尤其是目前，我们明白人类身处环境危机时代， we can learn so much from these people who have lived so sustainably in this ecosystem for o
TED演讲商业篇
Every winter some twenty million tons of salt are dumped on America's road.That sodium chloride melts the ice, so it prevents its formatin, helping to prevent accidents. But road salt has its downside. This is not very economical because salt is main
2016年Scientific American(一)月
Cleaning and sorting plastic made out of multiple polymers can be relatively expensive, 清理和将多种聚合物制成的塑料进行分类的成本相对昂贵， especially if it is used to make low value products such as packaging. 尤其是这些
经济学人科技系列
If all goes well, the inventors hope to develop the idea and make the sections entirely from recycled plastic. 如果一切顺利，那么投资者希望开发此想法并完全利用回收垃圾制造这些节段。 Paths, car parks and railway plat
经济学人科技系列
Of all the plastic produced since the 1950s, less than 10% has been recycled. 20世纪50年代以来，产生的所有塑料中，只有不到10%得到回收。 The vast majority ends up being dumped, most of it in landfill. 其中大部分都成了垃
经济学人科技系列
JUDY WOODRUFF:Next: how an oil spill near Little Rock, Ark., is casting a shadow over the proposed expansion of the Keystone pipeline. MAN:So that is a pipeline that has busted and has flooded the neighborhood. JUDY WOODRUFF:A local resident describe
PBS访谈环境系列
Science and technology. 科技。 Quieter traffic. 更安静的交通。 When the rubber hits the road. 当橡胶遇上公路。 Turning old tyres into new roads can help cut noise pollution. 把旧轮胎建成新式道路可以减少噪音污染。
经济学人综合
Science and technology 科学技术 Quieter traffic 更安静的交通 When the rubber hits the road 当橡胶遇上公路 Turning old tyres into new roads can help cut noise pollution 把旧轮胎建成新式道路可以减少噪音污染 AROUND one
经济学人科技系列