单词：
单词： 相关文章
Don: Time to go again to the A Moment of Science mailbag. Yal: A listener writes: Dear A Moment of Science, Scientists know that one day we'll run out of oil and other natural sources of energy. Beyond solar power and wind power and ethanol, what are
英语时差8，16
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. It sounds like something out of a bad science fiction novel. During World War II, a fungus called Tricoderma reesei ate its way through US military unifo
Scientific American(五)月
Scientists in Brazil are turning fruit fibers into car parts. At a recent meeting of the American Chemical Society, the researchers described their work in making the next generation of automotive parts made from natural fibers from bananas, pineappl
VOA标准英语2011年(四月)
Turning Cigarette Butts to Batteries 烟头转变成电池 If you see a person carelessly throw a cigarette to the ground, what are you likely to think? That depends. If you hate people throwing things on the ground, you might think, That person shou
2014年VOA慢速英语(九)月
BEIJING, April 19 (Xinhua) -- China's environmental watchdog said on Thursday that it will work to promote the prompt disclosure of air quality reports and monitoring results for other types of pollution. The disclosure of information on major pollut
英语新闻
BEIJING, Aug. 2 (Xinhua) -- The Red Cross Society of China (RCSC) has vowed to establish an efficient, transparent and normative system of management, information and supervision in three to five years. Zhao Baige, executive vice president of the RCS
英语新闻