单词：enterochromaffin (ec) cell
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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
VOA2003（下）-环境与健康
[ti:] [ar:] [al:] [by:] [00:01.00] Late At Night, Do You Turn Off Your Cell Phone? 今夜不关机 [00:08.22]Today, my friend asked me a question. [00:11.17]At night, do you turn off your cell phone? [00:14.78]If you dont, whom do you leave it on for
温馨夜读
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
国家地理2008年
By Cathy Majtenyi Nairobi 05 January 2007 watch Kenya Climate report The U.N. Climate Change Conference, held recently in Nairobi, Kenya, renewed the world's attention to what is commonly known as global warming, which most scientists say is caused
2007年VOA标准英语（一月）
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
2007年VOA标准英语（九月）
FAITH LAPIDUS: This is SCIENCE IN THE NEWS in VOA Special English. Im Faith Lapidus. BOB DOUGHTY: And Im Bob Doughty. This week, we tell about a new report about alcohol abuse. And we tell how the recent political unrest in Egypt has affected America
2011年VOA慢速英语(三)月
By Edward Yeranian Beirut 25 September 2007 Lebanon's parliament has failed to attain the required two-thirds quorum to elect the country's next president, forcing a postponement of the electoral session to October 23. Edward Yeranian reports for the
2007年VOA标准英语（九月）
By Dan Robinson Capitol Hill 25 April 2006 A U.S. government official has told Congress Iraq's new government will require long-term U.S. and international assistance if reconstruction efforts are to
2006年VOA标准英语（四月）
By Greg Flakus Houston 27 January 2006 An incident on the U.S. border with Mexico Monday, in which Mexican troops allegedly entered U.S. territory in the state of Texas to protect an illicit drug ship
2006年VOA标准英语（一月）
By Bill Rodgers Washington, DC 17 February 2006 watch US Prisoner report U.S. officials have dismissed a United Nations human rights report calling on the United States to either bring to trial or rel
2006年VOA标准英语（二月）
By Carol Pearson Washington 28 March 2007 watch Stent Study report A new, landmark study finds heart stents devices used to open blocked arteries - may not be as effective in the long term as medication in preventing heart attacks. VOA's Carol Pears
2007年VOA标准英语（三月）
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2008年（五月）
By Bill Rodgers Washington, DC 08 September 2006 watch Journalist at Risk Jill Carroll while in captivity Foreign correspondents for western media outlets have always faced dangers in the field. But recently western journalists have become high-valu
2006年VOA标准英语（九月）
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
2007年VOA常速英语（十月）
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
VOA常速英语2008年（四月）
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
英语新闻
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
趣味英语
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
VOA常速英语2007年（十二月）
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
英语新闻
Why You Shouldn't Leave Nude Photos of Yourself on Your Cell Phone The 23-year-old woman lost her cell phone in a restaurant parking lot. By the next morning, someone was texting nude photos of her to everyone. As regular readers have learned many ti
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