单词：PEL-Cellulose
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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
AA: I'm Avi Arditti and this week on WORDMASTER: We follow up on last week's advice to parents about the language benefits of talking to babies. Mariah Evans at the University of Nevada, Reno, led a 20-year study which asked adults in 27 countries to
词汇大师(Wordmaster)
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
By Peter Fedynsky Moscow 20 September 2007 Estonia has refused permission for a geological survey in its territorial waters for a proposed gas pipeline under the Baltic Sea. But VOA Moscow correspondent Peter Fedynsky says the Russian-German project
2007年VOA标准英语（九月）
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
RACHEL MARTIN, HOST: Gina Haspel, the first woman nominated to lead the CIA, almost stepped aside over the weekend. The Washington Post reported that Haspel was willing to withdraw rather than face tough questions over her role in the CIA's waterboar
2018年NPR美国国家公共电台5月
AILSA CHANG, HOST: The nominee to replace Mike Pompeo is his deputy, Gina Haspel. She worked undercover for three decades in some of the CIA's most challenging jobs, but critics are focused on her role in the CIA's waterboarding campaign. In response
2018年NPR美国国家公共电台4月
台湾籍旅美老师今天交给我们的句子是： It's not rocket science: Focus on lean protein, healthy fats and non-processed, unrefined carbohydrates such as vegetables, beans, whole grains and fruit. 这不难懂：多摄取低脂肉类、健
留美老师带你每日说英文