单词：Hooder diaphragm cell
单词：Hooder diaphragm cell 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 Margaret Besheer Irbil, Iraq 30 December 2006 Former Iraqi dictator Saddam Hussein was executed Saturday morning for crimes against his people. Iraqi officials present at the hanging say Saddam went to his death a broken man, but showed no remors
2006年VOA标准英语（十二月）
Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Ryan Geertsma. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 The year was 1922. Charles Osborn
环球英语 Spotlight
文本： Batman:I'm listening. Joker:Is someone feeling a little _(1)_? Batman:What do you want? Joker:Oh,Bats,cheer up.It won't kill you.Oops. Batman:Where is the cure? Who has it? Joker:I had our cold-hearted friend Mister Freeze making it.But he'
小龟乐游记英语短文
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
In the 17th century, the French scientist Pierre Gassendi knew that light traveled faster than sound. When a gun fired far away, he could see the flash of gunshot long before he heard the report. Gassendi tried to measure the speed of sound by clocki
英语听力文摘 English Digest
She looked at the man. He was walking on the sidewalk. She did not know this man. He was a stranger. She did not trust this man. He did not live in this neighborhood. She was driving her car slowly. She was almost home. She drove past the man. She wa
超级简单英语阅读
Wolves have been cast as villains in stories -- almost since there have been stories. Jesus warned against them in the Bible; Little Red Riding Hood was tormented by one. They've been favorite symbols of evil from Aesop to Prokofieff. A new document
2005年NPR美国国家公共电台
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）
Power Your Laptop by Taking a Walk Scientists at the University of Wisconsin-Madison have developed a technology that turns human motion into electricity. In this week's journal Nature Communications, they describe how to power a cell phone or other
VOA标准英语2011年(八月)
Weve all experienced them at one time or another, often right after a big meal. A normal bout of hiccups usually lasts only a few minutes and may contain up to seventy individual hics. Unlike coughing or sneezing which can help clear your airways, hi
英语时差8，16
Idiom: Practice what you preach 言行一致 Hit the book: Audience Circumstance Proceed Resist Channel Suppress 1. If you want to talk (or sing, act, etc.), you have to breathe. And if you want to do these things calmly, you'll need to breathe diaph
趣味青春英语
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）
Sophia: Is my car ready? Mechanic: Im finished with your oil change and I replaced the oil filter. Ive also replaced the wiper blades in your windshield wipers. But Ive had a good look under your hood, and your car needs a lot of work. Sophia: Really
地道美语播客
By Robert Berger Jerusalem 01 April 2007 German Chancellor Angela Merkel met Israeli and Palestinian leaders Sunday in the latest international bid to revive the Middle East peace process. Germany and Israel enjoy warm ties, but as Robert Berger repo
2007年VOA标准英语（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
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
Becky was a beauty from south alabama her daddy had a heart like a nine pound hammer think he even did a little time in the slammer what was i thinkin? she snuck out one night met me by the front gate her daddy came out wavin that 12 gage tore out th
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