VOA慢速英语 Glider Plane to Soar Stratosphere for Data

AS IT IS 2015-09-30 Glider Plane to Soar Stratosphere for Data Gliders are light aircraft that fly with no engine. They are pulled by a powered plane into the sky and set free to fly on air currents. They soar on wind currents called mountain waves.

SSS 2008-09-25

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Athletes have obviously been tempted to use performance enhancing anabolic steroids. Drug testing may discourage such use. But a new study finds that some of the perfo

SSS 2008-11-13

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Weve heard that a mothers weight during pregnancy can influence the weight of her offspring. Now a study of rats shows that the fat content in a moms d

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中文 英文 缩写 * （符） star (symbol) [美国]电气和电子工程师学会 Institute for Electrical and Electronic Engineers IEEE “请发码”信号

草莓的作用

Dieting isnt always easy, particularly if you have a sweet tooth. But by adding strawberries to your diet, you can enjoy a range of guilt-free dishes, drinks and snacks any time of day. Best of all, strawberries are low in calories, high in fiber, fa

与美国小学生一起学英文第8册 第6期:岩浆

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The World Health Organization (WHO) is calling for action to fight all forms of malnutrition(营养不良), including under-nutrition and obesity, which affect hundreds of millions of people worldwide. More than 60 world nutrition（营养） experts

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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

美国国家公共电台 NPR House GOP Tax Plan Is Little Help To High-Tax States Like New Jersey

DAVID GREENE, HOST: Senate Republicans are expected to unveil their version of a tax overhaul today. Like the House bill that's already moving along, the Senate version is being touted as a way to keep more money in Americans' pockets. But for millio

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Scientists from the University of Central Florida (UCF) have created a supercapacitor battery prototype that works like new even after being recharged 30,000 times. 来自中佛罗里达大学（UCF）的科学家已经创造了一个超级电容电池

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Hi my name is Jason Cornwell . I'm user experience designer at Gmail. We have been hardworked to update Gmail with a new look.I'm excited to share with you some of the biggest improvements. 大家好 我是Gmail的用户体验设计师Jason Carmel。经

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Theincrease inthenumbersofmarriedwomenemp- (50)loyedoutsidethehomeinthetwentieth centuryhadlesstodowiththe mechanizationofhouseworkandan increaseinleisuretimeforthesewomen thanitdidwiththeirowneconomic

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Beijing government has vowed that by 2020 the city's annual average density of fine particulate matter (PM2.5) will have decreased by 30% from that of 2015. 北京市政府日前承诺，到2020年，该市细颗粒物(PM2.5)的年均浓度将比2015年

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国际民航组织总部保留在蒙特利尔到2036年 OTTAWA, May 27 (Xinhua) -- Canada and the International Civil Aviation Organization (ICAO) Monday signed a new agreement to keep the UN agency's headquarters in Montreal for another 20 years aft

TED演讲:如何重新设计公寓建筑(2)

And then we decided to take New York as a test case, 后来我们决定拿纽约做实验案例， and we looked at Lower Manhattan. 研究曼哈顿下城。 And we mapped all the building area in Manhattan. 我们画出曼哈顿建筑区的地图。

TED演讲:如何重新设计公寓建筑(1)

When, in 1960, still a student, 1960年我还是学生时， I got a traveling fellowship 拿到出国留学的奖学金， to study housing in North America. 研究北美的住宅建筑。 We traveled the country. 我们游遍美国， We saw public

英闻天下——108 Competition for TV Market in CES 2013

This year, TV makers are doing their best to give huge-screen fanatics more breathing room. New ultrahigh-definition sets were shown off Monday by LG Electronics, Sharp, Sony and Samsung Electronics at the international CES gadget show in Las Vegas.

经济学人:中国商业航天 (1)

The first rockets were Chinese. In the 1230s the armies of the Song dynasty, 首批火箭出现在中国。十三世纪三十年代，宋朝军队 who were fighting Mongol invaders, started launching fire arrows propelled by gunpowder some 300 metres

新西兰英语 547 Mining Lignite

Lignite is low grade coal which contains more moisture than high grade coal and is dirty to burn. Southland has ten areas with lignite. Solid Energy, which is a government company, plans to mine this lignite. The company has plans to build a $25m bri

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One of the most impressive feats of muscular coordination in nature is the instance of a frog darting out its tongue in order to catch a fly. No matter how fast you are, you could never rely on plucking bugs out of the air to stay alive; but for frog