单词：cell lethality
单词：cell lethality 相关文章
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
By Lisa Schlein Geneva 31 March 2006 Women fetch water in drought-hit Dubluk, Ethiopia The U.N. Children's Fund, UNICEF, says Ethiopian children are facing an epidemic of lethal diseases. UNICEF says
2006年VOA标准英语（三月）
Merits of Giving Ukraine Lethal Aid Debated STATE DEPARTMENT U.S. Vice President Joe Biden has condemned what he calls Russias aggression in Ukraine, but stopped short of saying the United States will provide Ukraine with lethal aid during comments m
VOA标准英语2014年(十一月)
[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 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）
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）
Under Siege, Ukraine Awaits Decision on Lethal Aid PAPASNA, LUHANSK OBLAST, UKRAINE At the last checkpoint before the battle zone, Ukrainian troops keep a careful watch on who goes in, while families squeeze into cars to leave and busloads of childre
VOA标准英语2015年(二月)
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）
By Cindy Saine Washington 16 April 2008 The U.S. Supreme Court has upheld the most common method of lethal injection used for executions by the federal government and 36 states. The unsuccessful constitutional challenge to the three-drug lethal injec
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
By David McAlary Washington 14 March 2007 International financier George Soros is giving $3 million to help public health experts fight a lethal, drug-resistant form of tuberculosis in sub-Saharan Africa. VOA's David McAlary in Washington reports tha
2007年VOA标准英语（三月）
By Cindy Saine Washington 08 January 2008 The U.S. Supreme Court this week heard oral arguments challenging the use of lethal injections to carry out executions in the United States. The case under consideration comes from Kentucky, where two death r
VOA标准英语2008年（一月）
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
DAVID GREENE, HOST: The state of Arkansas has a death penalty problem. The state is rushing to execute death row inmates at an unprecedented pace this month before its supply of lethal drugs expires. The expiration date is important because it's gett
2017年NPR美国国家公共电台4月
Naw Kham, who was convicted of murdering 13 Chinese sailors on the Mekong River in 2011, was executed earlier this afternoon. The Myanmar drug lord and three of his accomplices, identified as Hsang Kham, Yi Lai,and Zha Xika, were given the lethal inj
英闻天下
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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