单词：early proembryo stage
单词：early proembryo stage 相关文章
Nancy Beardsley The Democratic presidential candidates aren't the only ones caught up in a grueling campaign schedule right now. USA Today political columnist Walter Shapiro has spent nearly two years
VOA2004（上）--美国大选
Pro-government supporters carry Thai national flags and sing nationalistic songs in Bangkok, Thailand, 29 Apr 2010 Thai anti-government protestors have appealed to the European Union calling for observers to come to the rally site in central Bangkok
VOA标准英语2010年(四)月
Scientists Come Closer to Creating Laboratory Embryos An international team of scientists says it has moved a step closer to creating artificial embryos. The team used stem cells from mice. Stem cells are simple cells that can develop into other kind
2018年VOA慢速英语(八)月
今天我们要学的词组是set the stage。 Set the stage的意思是为某件事做好准备，提供条件。比如，希拉里.克林顿06年再次当选参议员，为她08年竞选总统提供了条件 -- The reelection set stage for her pres
英语每日一词
By Luis Ramirez Bangkok 19 September 2007 Hundreds of monks have marched through several cities in Burma for a second day this week, protesting the country's military leadership. VOA's Luis Ramirez reports from our Southeast Asia bureau in Bangkok. T
2007年VOA标准英语（九月）
By Jim Malone Washington 06 February 2007 The war in Iraq looms as the major issue in the 2008 U.S. presidential race. The war is already causing splits among White House candidates in both major political parties. VOA national correspondent Jim Mal
2007年VOA标准英语（二月）
CAIRO, Dec. 15 (Xinhua) -- The first stage of the referendum of Egypt's draft constitution ended Saturday night at 11:00 p.m. local time (2100 GMT). Due to the high turnout, the closing time of the referendum was extended from 7:00 p.m. local time (1
英语新闻
By Melinda Smith Washington, DC 19 September 2006 watch New Parkinson's Treatment There is new hope for many patients suffering from the progressive neurological disorder called Parkinson's disease. A recent study by a team of German doctors reports
2006年VOA标准英语（九月）
Spray Detects Hard-to-Find Tumors Surgeons may soon have a new tool to help locate early-stage cancerous growths; a spray that turns fluorescent green when it comes into contact with tumors. The spray is clear, but contains a non-toxic dye that almos
VOA标准英语2011年(十一月)
加速钙和矿物质吸收的蛀牙新疗法 For over a hundred years, dentists have been repairing cavities by removing the decayed tooth tissue with a drill and filling the hole with metal or plastic material. Depending on the cavitys depth, this
VOA标准英语2015年(十二月)
Technique May Eliminate Drill-and-Fill Dental Care For over a hundred years, dentists have been repairing cavities by removing the decayed tooth tissue with a drill and filling the hole with metal or plastic material. Depending on the cavitys depth,
VOA标准英语2015年(八月)
ARI SHAPIRO, HOST: For the first time, scientists have altered the DNA in human embryos to make a fundamental discovery about early human development. Scientists say this proves that modifying genes and human embryos can reveal powerful insights into
2017年NPR美国国家公共电台9月
13. In the early stage, the regional managers do the research. 在开始阶段，区域经理做调研。 还能这样说： The area managers should do the market research in the early period. The district managers need do the investigation in the e
情景会话口袋书人际篇
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英语单词荟萃
HEALTH REPORT - Studies Shows Chemotherapy Improves Lung Cancer Survival By Cynthia Kirk Broadcast: Wednesday, July 13, 2005 I'm Faith Lapidus with the VOA Special English Health Report. An x-ray imag
健康与经济
By Amberin Zaman Istanbul 14 April 2007 Thousands of Turks march towards Ataturk's mausoleum for a wreath laying ceremony in support of secularism after a rally in Ankara, 14 Apr 2007 More than 200,000 Turks protested in Turkey's capital Saturday aga
2007年VOA标准英语（四月）
今天我们要学的词是center stage。 Center stage, 中央舞台，引伸为注意的焦点。Abortion opponents saw their issue take center stage during Supreme Court nominee Sotomayor's confirmation hearing, 反堕胎者看到，他们所关心的
英语单词荟萃
MADRID, Aug. 27 (Xinhua) -- Joaquin Rodriguez won his second stage of this season's Vuelta de Espana (Tour of Spain) cycle race, which finished in the town of el Escorial on Saturday. Rodriguez was the strongest finisher on the steep ramp at the end
英语新闻
Oocyte cryopreservation, or egg freezing, is a procedure where a woman's ovum are removed, frozen and placed in long-term storage. When the woman is ready to become pregnant, the eggs can be thawed, fertilized and transferred into her uterus. The tec
英语新闻
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王培廷分级书单三 James Marshall - Fox系