防御细胞

Biggest Stories in 2002 (1)

Health nbsp; Economics The big story for Washington for 2002 is going to be the November elections. And while that’s a long way off for the rest of the country, it’s very much on politicians- mind

发表于:2018-11-28 / 阅读(232) / 评论(0)

疯狂英语2002年

Fuel Cell Cost-Cutting

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

发表于:2018-12-01 / 阅读(259) / 评论(0)

VOA2003（下）-环境与健康

NPR 2011-06-01

From NPR News in Washington, I'm Lakshmi Singh. Home prices across the US are at nine-year lows. The SP/Case-Shiller Home Price Index reveals a steep drop from February to March in 18 of the 20 big metro areas tracked. Patrick Newport, an economist w

发表于:2018-12-17 / 阅读(222) / 评论(0)

2011年NPR美国国家公共电台6月

影视剧中的职场美语第122期:合同纠纷

本段对话选自Drop Dead Diva,《美女上错身》 Redirect, your honor.Dr.Huxley...How was David Beckham the second created? 我还有问题，法官大人。赫胥黎博士可否请你叙述大卫贝克汉姆二世的复制过程？ Our scienti

发表于:2018-12-26 / 阅读(137) / 评论(0)

影视剧中的职场美语

国家地理-2008-05-24 Fuel Cell 聚焦燃料电池

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

发表于:2018-12-30 / 阅读(207) / 评论(0)

国家地理2008年

VOA慢速英语20060906a

HEALTH REPORT - Gene Therapy Used to Treat Cancer | Stem Cell Study Leads to Criticism, QuestionsBy VOA Staffs Broadcast: Wednesday, September 06, 2006 This is the VOA Special English Health Report. A

发表于:2019-01-02 / 阅读(209) / 评论(0)

2006年慢速英语（九）月

专业术语—口腔生理学术语I1(英文详解)

In Vitro - experiments which are carried out in a laboratory as distinct from in vivo experiments In Vivo -experiments which are carried out in live animals as distinct from in vitro experiments Immun

发表于:2019-01-03 / 阅读(173) / 评论(0)

医务英语

SCIENCE IN THE NEWS - U.S. Scientists Find a Way to Create E

SCIENCE IN THE NEWS - U.S. Scientists Find a Way to Create Embryonic Stem Cells With Adult Skin Cells By Cynthia Kirk, Nancy Steinbach, and Caty Weaver Broadcast: Tuesday, August 30, 2005 (MUSIC) VOIC

发表于:2019-01-11 / 阅读(168) / 评论(0)

科技之光

2007年VOA标准英语-Too Much Cell Phone Use May Cause Hearing Loss

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

发表于:2019-01-11 / 阅读(186) / 评论(0)

2007年VOA标准英语（九月）

VOA标准英语2008年-Cell Phones Allow Countries to 'Leapfrog' Techn

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

发表于:2019-01-13 / 阅读(160) / 评论(0)

VOA标准英语2008年（五月）

茎细胞对于疾病治疗的神奇功效

26 茎细胞对于疾病治疗的神奇功效 DATE=5-24-01 TITLE=SCIENCE REPORT - Progress in Stem Cell Research BYLINE=Caty Weaver （Start at 59

发表于:2019-01-30 / 阅读(284) / 评论(0)

自然探索

2006年VOA标准英语-US Senate Expected to Approve Funding of Embryo

By Deborah Tate Washington 17 July 2006 The U.S. Senate Tuesday is expected to approve federal funding for expanded embryonic stem cell research, despite a veto threat from President Bush who opposes the idea on moral grounds. -------- On the eve of

发表于:2019-01-31 / 阅读(263) / 评论(0)

2006年VOA标准英语（七月）

VOA常速英语2007-Conference Says Stem Cell Research is Robust

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

发表于:2019-01-31 / 阅读(183) / 评论(0)

2007年VOA常速英语（十月）

VOA常速英语2008年-FCC Approves Cell Phone Alert System

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

发表于:2019-01-31 / 阅读(168) / 评论(0)

VOA常速英语2008年（四月）

Researchers make sperm from stem cell in dish

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

发表于:2019-02-04 / 阅读(330) / 评论(0)

英语新闻

幽默学习第五期

发表于:2019-02-06 / 阅读(163) / 评论(0)

趣味英语

Turn Off Your Cell Phone 关掉你的手机

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

发表于:2019-02-07 / 阅读(285) / 评论(0)

趣味英语

U.S. researchers discover human lung stem cell

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

发表于:2019-02-18 / 阅读(232) / 评论(0)

英语新闻

【英语语言学习】灾后重建

RACHEL MARTIN, HOST: In the Philippines, the relief effort after Typhoon Haiyan is now in its second week. And as information trickles out, we have a clear picture of the scale of the devastation. But let's go back to when the storm made landfall. In

发表于:2019-02-23 / 阅读(330) / 评论(0)

英语语言学习

留美老师带你每日说英文第462期:接近真实的人性

台湾籍旅美老师今天交给我们的句子是： I'm so tired of performing in a pageantry of vanity that conform into this accepted form of digital insanity. Call me crazy, but I imagine a world where we smile when we have low batteries, cuz t

发表于:2019-03-05 / 阅读(173) / 评论(0)

留美老师带你每日说英文

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