单词：gray cell
单词：gray 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
美国大选结束了，各种拉票和选战活动也终于告一段落。就拿我们家附近的教会来说，他们现在不用再向教友推荐应该给哪个候选人投票了。 美国禁止宗教机构支持某一候选人，不过有些教会
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T he four seals paddled with ease through the sunlitwaters of the Selkie Cove and into the Jellyfish Cave. The water in the cave was cold and murky. But in hisseal body, Jack was warm; and with his seal eyes, hecould see clearly. As they swam farther
汪培珽儿童英文分级书单《神奇树屋》
Baltimore Police End Investigation of Freddie Grays Death 巴尔的摩对Freddie Gray的死因调查工作结束 Police in Baltimore, Maryland, have completed their investigation into the death of a young black man in police detention. He died April
2015年VOA慢速英语(五)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
See that bright red hamburger meat in the grocery store? Its bright red because a food processor added carbon monoxide to the package. Most European governments do not allow carbon monoxide in packages that contain beef products. They warn that the g
365个英语简短小故事
歌词如下： Oh,the old gray mare, She ain't what she used to be, Ain't what she used to be, Ain't what she used to be, The old gray mare, She ain't what she used to be, Many long years ago. Many long years ago. Many long years ago. The old gray m
英语儿歌274首
By Paul Sisco Washington, DC 08 February 2007 watch Update Wolves report Gray wolf The gray wolf once roamed from coast to coast and from Alaska to Mexico in North America. It is believed they are second only to humans in adapting to climate extremes
2007年VOA标准英语（二月）
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）
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）
SCIENCE IN THE NEWS - Gray Wolf in Eastern U.S. May Come Off Endangered List / U.S. States Could Get More Power to Build Road... By Broadcast: Tuesday, July 27, 2004 VOICE ONE: This is SCIENCE IN THE
科技之光
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
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By Craig Fitzpatrick Washington, DC 10 July 2006 watch Macy Gray report Macy Gray exploded onto the music scene at the turn of the millennium with her song I Try and she has never looked back. Her raspy voice gives each genre of music an extra dimen
2006年VOA标准英语（七月）
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
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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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Colorful Shades of Gray Just because something is ugly outside doesnt mean its not beautiful inside. Do you know why moths are brown? Moths are the most beautiful animals in the animal kingdom. At one time they were more colorful than the butterflies
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