Fuel Cell Cost-Cutting

By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The

国家地理-2008-05-24 Fuel Cell 聚焦燃料电池

For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after yea

2007年VOA标准英语-Too Much Cell Phone Use May Cause Hearing Loss

By Carol Pearson Washington 25 September 2007 A lot of people wonder about the impact cell phones might have on their health. And now a new study shows that heavy mobile, or cell, phone use may result in hearing loss. VOA's Carol Pearson reports. As

VOA标准英语2008年-Cell Phones Allow Countries to 'Leapfrog' Techn

By Bill Rodgers Washington 19 May 2008 Cell phones are an example of what is sometimes now called leapfrog technology, a product that allows developing nations the benefits of a reliable and extensive communications network without the heavy investme

VOA标准英语2012--Study: Nature Creates Buffer Against Climate Change

Study: Nature Creates Buffer Against Climate Change The study focused on semi-arid ecosystems which cover 40 percent of the planet and support 40 percent of the human population. Co-author David Eldridge, with the School of Biological, Earth and Envi

意想不到的长寿标志

You Embrace the Challenge People who consider themselves self-disciplined, organized achievers live longer and have up to an 89% lower risk of developing Alzheimers than the less conscientious.When youre good at focusing your attention, you use more

每日一词【198】buffer：缓冲

今天我们要学的词儿是buffer。 Buffer是缓冲的意思。Buffer state意思是缓冲国，buffer zone则指缓冲地带。以色列军方为了防止巴勒斯坦激进分子的火箭袭击，打算在加沙地带的边儿上建立一个缓冲

经济学人65:棉花出口 两不讨好

Business 商业 Cotton exports 棉花出口 Knickers in a twist 两不讨好 India bans cotton exportsconfusing everyone, including its government 印度禁止棉花出口所有人都摸不着头脑，印政府也不例外 WHEN Mahatma Gandhi began s

PBS高端访谈:堕胎诊所缓冲区能否限制言论自由

JUDY WOODRUFF:And today's arguments were, of course, closely watched by advocates on both sides of the abortion debate. And we turn to two of them now. Ilyse Hogue is president of NARAL Pro-Choice America. And Steven Aden is vice president of human l

VOA标准英语2008年-Russia to Withdraw Troops From Buffer Zone in G

Russia has agreed to withdraw its troops from controversial buffer zones it had set up around Georgia's breakaway provinces of South Ossetia and Abkhazia. VOA Moscow Correspondent Peter Fedynsky reports the announcement by the Russian president was

VOA常速英语2007-Conference Says Stem Cell Research is Robust

By Victoria Cavaliere New York 16 October 2007 An annual stem cell research conference in New York has been bringing together some of the field's top scientists to discuss breakthroughs in stem cell research and what proponents call its long-term app

VOA常速英语2008年-FCC Approves Cell Phone Alert System

By Paul Sisco Washington 17 April 2008 Federal regulators in Washington have approved plans to upgrade the nation's Emergency Alert System to include text messages to cellphones and other mobile devices. VOA's Paul Sisco has more in this Searching fo

计算机专用英语词汇1500词(10)

301. however conj. 然而，可是 302. extend v. 扩充 303. look v. 看，查看 304. starting a. 起始的 305. now ad. n. 此刻，现在 306. original n. a. 原文；原(初)始的 307. correspond

Researchers make sperm from stem cell in dish

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

VOA标准英语2008年-UNHCR Gains Access to Buffer Zone in Georgia

The U.N. refugee agency says it finally has succeeded in entering the so-called buffer zone north of the town of Gori in Georgia. Lisa Schlein reports from UNHCR headquarters in Geneva the zone is controlled by Russian military forces and has been o

Turn Off Your Cell Phone 关掉你的手机

Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte

学个词Learn a Word 第198期 buffer

今天我们要学的词儿是buffer。 Buffer是缓冲的意思。Buffer state意思是缓冲国，buffer zone则指缓冲地带。以色列军方为了防止巴勒斯坦激进分子的火箭袭击，打算在加沙地带的边儿上建立一个缓冲

VOA常速英语2007年-Stem Cell Research Dominates 2007 Medical Field

By Jessica Berman Washington 19 December 2007 Stem cell research was the major medical and science story this past year, topping the list of achievements that experts say might finally lead to cures for many diseases. Meanwhile, global health officia

30多岁转变职业值不值得？

When youre in your 30s youve reached a critical point in your career. Youve got a good amount of experience under your belt, youve been promoted a few times, and youve got a decent salary. 你已经30多岁了，那么你就到达了事业发展的临界

U.S. researchers discover human lung stem cell

WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi