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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

发表于:2018-12-27 / 阅读(136) / 评论(0) 分类 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

发表于:2019-01-08 / 阅读(169) / 评论(0) 分类 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

发表于:2019-01-09 / 阅读(148) / 评论(0) 分类 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

发表于:2019-01-12 / 阅读(143) / 评论(0) 分类 2014年VOA慢速英语(九)月

The United Nations has called on Nepal's former Maoist rebels to release child soldiers who were recruited as guerilla fighters during their decade-long campaign to overthrow the monarchy. Anjana Pasricha reports from New Delhi, the former rebels ar

发表于:2019-01-13 / 阅读(154) / 评论(0) 分类 VOA标准英语2008年(八月)

While women continue to advance in American society, many little girls still get stuck in a world of fairytale princesses and frilly pink dresses. That does not sit well with journalist Peggy Orenstein, who mused about her young daughter's obsession

发表于:2019-01-14 / 阅读(142) / 评论(0) 分类 VOA标准英语2011年(三月)

今天我们要讲的习惯用语的意思都是谎话。但是谎话多种多样,人们撒谎的程度也轻重不一,在英语中得用不同的词句来表达。我们今天要讲的第一个是: fib。Fib当然不是实话,然而却是无伤大

发表于:2019-01-16 / 阅读(175) / 评论(0) 分类 美国习惯用语

By Jocelyn Ford Banda Aceh 08 February 2007 Newly-elected Governor of Aceh Irwandi Yusuf, second from right, and his deputy Muhammad Nazar, right, are congratulated by officials after swearing- in ceremony in Banda Aceh, 8 Feb 8 2007 A former guerill

发表于:2019-02-04 / 阅读(182) / 评论(0) 分类 2007年VOA标准英语(二月)

Todd: So for the Satay you can have beef, chicken, liver, mutton. Now, people might not know what mutton is. What is mutton? Ivan: Mutton is a lambs meat. Todd: Lambs meat. Or sheeps meat. Ivan: Sheeps meat, yeah. And its well actually, personally th

发表于:2019-02-05 / 阅读(131) / 评论(0) 分类 原版英语对话1000个

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

发表于:2019-02-22 / 阅读(153) / 评论(0) 分类 留美老师带你每日说英文
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