单词：Dontostemon integrifolius
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By Sonja Pace London 30 June 2007 British police officers walk past tourists in the pouring rain in central London, 30 Jun 2007 London is on alert - police have stepped up patrols and a search is under way for a man seen running from a Mercedes car
2007年VOA标准英语（六月）
By Efam Dovi Accra 31 March 2007 Ministers from the Economic Community of West African States have agreed to use biotechnology to increase food production in their region. The agreement was reached at the third ECOWAS ministerial meeting on biotechno
2007年VOA标准英语（三月）
Nelson Mandela is no stranger to London. The city loves the South African statesman and Friday night nearly 50,000 gathered in London's Hyde Park to celebrate his 90th birthday. From the British capital, Tom Rivers reports. Nelson Mandela, left, wav
VOA标准英语2008年（六月）
Most college students in the United States choose their major, or main field of study for their degree, before or during their first year. For Saskia Fagan, making that choice was not easy. Fagan, who is now 31 years old, grew up in Takoma Park, Mary
2018年VOA慢速英语(一)月
Rwanda Invests in STEM Education for Girls Yvonne Kevia is an 18-year-old high school student in Rwanda. She wants to become a chemical engineer. She enjoys doing experiments and taking careful notes in her high school laboratory in Kigali, Rwandas c
2017年VOA慢速英语(十二)月
SCIENCE IN THE NEWS - Progress Made in Stem Cell Research By Caty Weaver, Jerilyn Watson, ... Broadcast: Tuesday, May 31, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I
科技之光
President Obama has lifted restrictions on the use of federal money for research using embryonic stem cells. Some researchers are already making progress using stem cells from umbilical cord blood, which entails no controversy since there is no dest
VOA标准英语2009年(三月)
FAITH LAPIDUS: This is SCIENCE IN THE NEWS in VOA Special English. Im Faith Lapidus. CHRISTOPHER CRUISE: And Im Christopher Cruise. Today, we will tell about possible hope for children suffering from damage to their nervous system. We will also tell
2011年VOA慢速英语(二)月
By Dan Robinson Capitol Hill 28 June 2007 President Bush and majority Democrats in Congress are heading toward a constitutional showdown involving the controversy over the firing of federal prosecutors. VOA's Dan Robinson reports, Democrats accuse th
2007年VOA标准英语（六月）
By Mandy Clark London 19 June 2008 On World Refugee Day Friday, as the world commemorates the plight of 11 million people who have fled their homes, the U.N. refugee agency has created a refugee village in the heart of London. The aim is to highligh
VOA标准英语2008年（六月）
Australian researchers may have discovered a new way to treat hearing loss in infants. And the secret lies in the NOSE. Our reporter Li Dong has the details. Noses comes in all shapes and sizes, and Australian scientists are now trumpeting a new use
世界各地新闻集锦
By Alex Villarreal Washington 28 February 2008 Adult stem cell therapy has successfully treated leukemia and other cancers for years, in the form of bone marrow transplants. A new study in the Journal of the American Medical Association [JAMA] finds
VOA常速英语2008年（二月）
> 39 脂肪中的茎细胞有助于治疗糖尿病 DATE=4-26-01 TITLE=SCIENCE REPORT- Stem Cells in Fat BYLINE=Nancy Steinbach (Start at 59
科技之光
HEALTH REPORT - Medical Award Honors Two Scientists Who Found Stem Cells By George Grow Broadcast: Wednesday, October 05, 2005 I'm Faith Lapidus with the VOA Special English Health Report. Two scienti
健康与经济
By Benjamin Sand Islamabad 14 May 2007 Pakistani troops have been told to shoot on sight if need be to control political violence in the southern city of Karachi. Pakistani authorities have banned political rallies in the city, where at least 38 peop
2007年VOA标准英语（五月）
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 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）
Japan's government and the country's central bank took action Thursday to dilute the yen. The Japanese currencys strong standing against the dollar is making exports more expensive, hurting efforts to revive the country's moribund economy. After many
英语新闻
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
今天我们要学的词是stem from. Stem spelled s-t-e-m, stem; and f-r-o-m, from. Stem from是源自，来源于的意思。The UN said Syrian government forces are responsible for most of the violence stemming from the country's unrest. 联合国表
英语单词荟萃