单词：ecr (explicit cell rate)
单词：ecr (explicit cell rate) 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
By Ernest Leong Washington, DC 30 June 2006 watch Border Security report Border security remains an issue of concern for the Bush administration. U.S. Homeland Security Secretary Michael Chertoff says the government is making much-needed progress. -
2006年VOA标准英语（六月）
Cell Phone Use Among Friends? How Rude! 在朋友面前用手机?真粗鲁! Here's the situation. You're sitting at the table listening to the conversation when your cell phone buzzes. There is something VERY IMPORTANT that wants your attention. Mayb
2015年VOA慢速英语(九)月
China has about one billion waste cell phones, with the recovery rate being only about 2 percent, reported jjckb.cn. 据《经济参考网》报道，我国约有10亿部废弃手机，回收率不足2%。 A man surnamed Fang in Shanghai recently sol
英语新闻
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
Jack: So, what do you think of the new guy ? Kate: Oh, you mean Bernard? Hes okay, I guess. Why? Jack: Well, I heard that he left his last company under mysterious circumstances. I tried to find out more from Libby, but she was very hush-hush about i
地道美语播客
By Deborah Block Parris Island, South Carolina 30 May 2007 One of the training grounds for U.S. Marine Corps recruits is on Parris Island, in the southern U.S. state of South Carolina. About 17,000 recruits each year complete the challenging training
2007年VOA标准英语（五月）
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）
Only a few horses have won the Triple Crown, three grueling thoroughbred races held every spring. Some four decades ago, one horse who did achieve that pinnacle of American racing became a national hero, along with the woman who owned and believed in
VOA标准英语2010年(十)月
By Peter Fedynsky Washington 15 March 2007 watch Fedynsky report Does the United States face a threat of homegrown radical Islamic terrorism? That is a question put to U.S. Homeland Security Secretary Michael Chertoff at a Senate committee hearing o
2007年VOA标准英语（三月）
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）
今天我们要学的词是recreational。 Recreational, 消遣的，娱乐的。 Due to budget cuts, some of the recreational programs were eliminated by the county, 由于预算削减，县政府取消了一些娱乐项目。 All commercial and rec
英语每日一词
By Benjamin Sand Kandahar, Afghanistan 10 January 2007 watch Afghan Police report Afghan police trainees With violence on the rise throughout Afghanistan, the Kabul government is recruiting thousands of auxiliary police to combat a growing insurgenc
2007年VOA标准英语（一月）
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
今天我们要学的词是recreational。 Recreational, 消遣的，娱乐的。 Due to budget cuts, some of the recreational programs were eliminated by the county, 由于预算削减，县政府取消了一些娱乐项目。 All commercial and rec
英语单词荟萃
Therese: I cant believe you told Mom and Dad about me driving the car last Saturday when I wasnt supposed to. I thought we had a deal. You wouldnt tell on me and Id take you and Kathy to the movies this weekend. Youre such a tattletale. Stephen: I sw
地道美语播客
Wendi: So I want you to tell me a little bit about, kind of, your daily maintenance or whatever with regards to waxing and hair management. Rina: Well, with waxing, I don't do waxing. I do sugaring. Wendi: OK. Rina: And it's basically sugar and water
原版英语对话1000个
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
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