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.

2007年VOA标准英语-US Nuclear Agency Faulted for Security Gaps

By Deborah Tate Capitol Hill 12 July 2007 U.S. congressional investigators working undercover say they have obtained a license to buy enough radioactive material for a radiological bomb, without much scrutiny from federal regulators. The investigator

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

60秒科学:Why Dwarf Galaxies Lack Star Power

Why Dwarf Galaxies Lack Star Power In a study in the journal Nature, researchers show that the relative lack of star density in dwarf galaxies need not conflict with standard cosmological models if you include the blast effects of supernovae. Karen H

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

电信类英语词汇表大全-2

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

WHO: Epidemics of Underweight and Overweight Growing

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

VOA慢速英语2014 烟头转变成电池

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

Bush Voices Concern About Iranian Nuclear Program

By Scott Stearns President Bush says the international community must stand united in its opposition to Iran enriching uranium, which the United States believes is part of a secret plan to develop nuc

设计师为你讲述Gmail的新界面

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

北京十三五生态环保目标 PM2.5年均浓度五年降三成

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

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

TED演讲:宇宙的灭亡(2)

This dark energy doesn't behave like any other substance we know at all and acts more like antigravity force. 这种暗能量的性质与我们所熟知的其他物质完全不同，它更像是反重力。 We say that it has a gravitational pressure

TED演讲:宇宙的灭亡(1)

Looking up at the night sky, we are amazed by how it seems to go on forever. 仰望夜空，我们为它的永无止境而感到惊讶。 But what will the sky look like billions of years from now? 然而数十亿年前的天空又会是什么样子呢

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.

美语听力 English Cafe 127

Topics: Ask an American: Starving Artist; as a matter of fact, process versus procedure, to haggle Words: to make a living diversity stimulus hard to beat to make it to collaborate to interact gatekeepers density dynamism to cease to exist to push (s

【英语时差8,16】骨质疏松（上）

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