单词：embedding of ovum
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This is Scientific America 60-Second Science, I'm Santy Criber. This will just take a minute. It's boating season, which means it'll soon be time for the annoying ritual, scraping of the barnacles.They lache on tide and don't let go, barnacles can be
Scientific American(七)月
放完长假回来，你是否会适应上班生活呢？很多人都会出现节后综合征，还要处理那么多的邮件，真让人感觉到烦躁..... Michelle: Hello and welcome to 6 Minute English from BBC Learning English. I'm Michelle. Ne
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THE PRESIDENT: Good morning. Earlier this week, I traveled to Baghdad to visit the capital of a free and democratic Iraq. It was an incredible feeling to stand in the cockpit of Air Force One and watch the pilot steer us in toward Baghdad. After we
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I would...I would...I...some of the bitch to think my think is frankly, is whether you ? make it fuss back not is the prime minister the same is he is going to serve on as prime minister and leader of this country until 2020, which is by the way exac
英伦广角
By Ben Gilbert Baghdad 04 February 2006 Iraqi Special Police Commandos of the 2nd Brigade The Iraqi Army has been billed as the U.S. Army's ticket home. As part of the 11-point-five billion dollar eff
2006年VOA标准英语（二月）
By Scott Stearns Washington 25 July 2006 President Bush and Iraqi PM Nouri al-Maliki, left, walk from their meeting in the Oval Office for a joint press conference, July 25, 2006 President Bush is moving more U.S. troops to the Iraqi capital to help
2006年VOA标准英语（七月）
By Mike Cooper atlanta 15 May 2008 Some of the world's most gifted teenagers are gathering in Atlanta to participate in Intel's International Science and Engineering Fair. Their projects range from transmitting invisible data to extracting fuel from
VOA标准英语2008年（五月）
RAY SUAREZ, HOST: All eyes turn to the Rust Belt where three states that voted for Democratic candidates since the 1980s helped Donald Trump win the election. Wisconsin hadn't given its electoral votes to a Republican since 1984. It was key to Trump'
2017年NPR美国国家公共电台4月
It's boating season, which means it'll soon be time for that annoying ritual, the scraping of the barnacle. They latch on tight and don't let go. Barnacles can be a major pain. As they grow they build up calcium deposits under a boat's paint. And the
Scientific American(七)月
If you are a Magellanic penguin, this ten-mile stretch of Argentine beach is where the action is--a place to scout about a new partner(物色新伴侣), conduct a courtship and settle down to raise the youngsters. National Geographic Grantee Dee Berg
自然百科2009年
By Meredith Buel 05 December 2006 The bi-partisan Iraq Study Group is scheduled to release its findings Wednesday, and news reports say the panel will recommend withdrawing nearly all U.S. combat units from Iraq by early 2008. Middle East analysts s
2006年VOA标准英语（十二月）
Lilianjie Lu stands in a London classroom, struggling slightly with her English but with a winning smile on her face, as she attempts to teach them all about fractions. Lilianjie Lu站在伦敦的教室里，说着不熟练的英语，但脸上挂着信
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Faiza Elmasry | Washington, DC 03 December 2009 Junior Achievement brings business people to classrooms to share their experiences with students Junior Achievement is celebrating its 90th anniversary this year. The non-profit, which educates and insp
VOA标准英语2009年(十二月)
Business: The internet of things: Where the smart is 商业：物联网：智能家居，路在何方 Connected homes will take longer to materialise than expected. 真正实现互联家庭仍是长路漫漫。 The fanfare has gone on for years. 有关
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As he struggled with ill health, however, his equilibrium became more and more central to the discipline. 然而，就在他与病痛搏斗时，他的均衡之于这门学科变得越来越核心了。 The share of economics papers citing the Nash e
经济学人财经系列
It is also designed to reflect current market practice, with clear guidelines on communication between participants and on trade-execution practices 它还旨在反映当前市场实践，在参与者之间的沟通和交易执行操作上有明确的指
经济学人财经系列