单词：cell-mediated lymphocytotoxicity
单词：cell-mediated lymphocytotoxicity 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
第二章 淋巴系统 Chapter 2 Lymphatic System accessory spleen 副脾 anterior cervical lymph node 颈前淋巴结 anterior mediastinal lymph node 纵隔前淋巴结 apical lymph node 尖淋巴结 axillary lumph node 腋淋巴结 bronchopulmonary lumph node 支气管肺淋巴结
医学英语
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
At the clinic: Doctor: So, how have you been getting along with this arm? Liz: Fine. I can get around alright, but it has definitely slowed me down. Doctor: Have you had any pain? Liz: At first I had some at night, but that only lasted a few days. Do
英语博客 A cup of English
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）
It's, in short, how we learn what we know about other people and about the world. 简而言之，那就是我们如何了解到，我们对于其他人的认知，以及我们对于全世界的认知。 But we live in a 100-percent media-saturated so
TED演讲国际问题篇
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
英语新闻
WASHINGTON, Dec. 24 (Xinhua) -- The United States urged South Sudanese President Salva Kiir and former Vice President Riek Machar to end hostilities and begin mediated political talks, according to a statement issued by State Department on Tuesday. U
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
What makes people dizzy when they spin? Rolling down a hill or spinning around in endless circles causes dizziness or vertigo because hair-like sensory nerve cells in our ears send wrong messages to our brain. The motions of our bodies are detected b
阅读空间
They are the people formerly known as employees. In a broad range of service industries, workers who once drew a steady salary are cutting out the employer and plying their services direct to people who used to pay companies, rather than people, to m
阅读空间
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
叙利亚和平谈判步履艰难 GENEVA, Feb. 12 (Xinhua) -- Second round of Geneva II talks between the Syrian government and opposition mediated by an international envoy faltered into the third day Wednesday, seeing increased influence from outsi
英语新闻
Still, though her surgery was successful, she notes that it was an isolating experience. 尽管她的手术很成功，但她表示这是一次孤独的经历。 Even though your family is there for you and cares for you, it becomes a solitary journe
人物杂志