单词：self-purging cell
单词：self-purging cell 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
CNN's Kara Finnstrom reports on Orange County, California's latest source for water Clean, clear water, it is in short supply here in Orange County, so any new source, like this one, is warmly welcome. That is, if you can get past where this water c
万花筒2008年
President Obama took his campaign to Florida today where he focused on immigration. In Coral Gables the president defended his stands on the issue. I have never wavered in my support of comprehensive immigration reform. We did put forward a Dream Act
2012年NPR美国国家公共电台9月
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
If youve ever fantasised about selling everything you own and paring down your possessions to the bare essentials, youre probably familiar with minimalism. 所有的物品全部卖掉，只保留最基本的必需品，越简单越好。如果你曾有
趣味英语
The mirage of Light in the distance, yet dark clouds loom on us Streaming Chances, tides eternal, stretch between still unformed? (Feeble in silence their echoes remain?) Feed on your greed, human madness, Creation will tremble Dreams forebode but sc
英文摇滚歌曲
Almost everyone I know who has relocated complained about back pain when it was over. I made sure I wasn't around on moving day itself, so I really can't tell you if they complained then. My guess is they complained about back pain while they were mo
实用英语
By Al Pessin Pentagon 06 December 2007 The top coalition commander in Iraq had some positive things to say Thursday about Syria and other countries and factions that have contributed to instability in Iraq in the past. But U.S. General David Petraeus
VOA常速英语2007年（十二月）
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）
STEVE INSKEEP, HOST: This fall's election comes in several parts. Before the fight to win votes, there is a fight over who is allowed to vote. In Georgia, the Republican candidate for governor also heads the office that has been purging voter rolls.
2018年NPR美国国家公共电台10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）
An underemployed college graduate is selling her diploma and college experience on eBay for $50,000 after becoming frustrated with her job prospects after graduation. 一位大学生毕业后并没有找到满意的工作，对自己就业前景感到失
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By Efam Dovi Accra 18 October 2006 In Ghana, President John Kufuor's government is paying reparation to about 2,000 Ghanaians who suffered human rights abuses under former governments. The West African nation, now perceived as a leading democracy in
2006年VOA标准英语（十月）
After a two-year-hit-and-run war against the forces of the Cuban president Fulgencio Batista, a guerrilla force led by Fidel Castro and Che Guevara has now gained control over Cuba. In Havana, it will be Che's job to keep the new revolutionary govern
英语听力：文化博览2008年
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
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
The other two, slight air and purging fire, 还有两种元素，净火与轻风， Are both with thee, wherever I abide; 不论我栖身何处总伴随你的行踪； The first my thought, the other my desire, 风是我的思想，火是我的欲望，
莎士比亚十四行诗全集