单词:diisopropyl fluorophosphate (dep)
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[00:02.64]Rebellion Independence [00:05.45]It's a pretty standard failing of the young [00:09.32]to assume that disagreement is a demonstration of independence. [00:12.98]But that can lead to a fallacious intellectual shortcut: [00:16.89]I don't actu
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This is the VOA Special English Health Report. We all know that some people do not seem as emotionally strong as others when life gets difficult. But why is that? A study published in two thousand three in the journal Science offered an answer. The
The 2010 Sundance Film Festival is underway in Park City, Utah. The heavy snow and subfreezing temperatures do not stop almost 50,000 visitors from enjoying the films and exhibits around town. Documentaries, feature films and shorts -- 186 of them --
bedizen, [bi'diz(ə)n] v 把装饰得过分华丽而俗气;穿着俗丽 【记】bed床
If you are like many language students, you might have a problem with procrastination. Perhaps you are slow to do homework or study for a test. Maybe you do not like to study or you become distracted while studying. Whatever the case may be, learning
pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a
By Jim Teeple Jerusalem 08 August 2006 Israel's prime minister on Tuesday gave a cautious welcome to Lebanon's proposal to deploy its army in the southern part of the country - a Hezbollah stronghold. The comments come as three Israeli soldiers died
By Jim Teeple Jerusalem 16 March 2006 A new report from the World Bank warns that projected cuts in economic aid to Palestinians once the Islamic militant group Hamas forms the next Palestinian govern
BBC Learning English Weekender Shappi Korsandi Stand up Callum:Hello, I'm Callum Robertson and this is Weekender. The Edinburgh International festival is a month-long arts and cultural festival held in August in Scotland's capital city, Edinburgh. A
今天我们要给大家介绍两个以
By Kurt Achin Seoul 23 October 2007 South Korea says it will continue to contribute non-combat military personnel to U.S-led stabilization efforts in Iraq. As VOA Seoul Correspondent Kurt Achin reports, the deployment is half a world away, but has ev
By Phuong Tran Dakar 20 February 2008 After weeks of delays, European peacekeeping forces are preparing to travel to Chad's troubled eastern border with Sudan. While awaiting the arrival of the mission, Chad rebel leader Mahamat Nouri spoke to VOA ab
今天Larry和李华要到朋友Bob家里,Bob因为要搬家,所以把他的立体音响卖给Larry。今天李华会学到两个常用语:dibs和shotgun. LL: I'm really glad that Bob gave me fi
By Scott Stearns Kigali 19 February 2008 President Bush says he is backing independence for Kosovo because he believes it will bring peace to the Balkans. VOA White House Correspondent Scott Stearns reports Russia and Serbia say Kosovo's unilateral d
The West African nation of Guinea marks the 50th anniversary of independence which it gained after breaking with other French-African colonies that accepted a power-sharing agreement with France, the colonial power. But the celebrations have been su
By Daniel Schearf Islamabad 10 September 2007 Former Pakistani Prime Minister Nawaz Sharif, bottom center, surrounded by aides and supporters on an ariplane as he arrives in Islamabad, Pakistan after he flew from London, England, 10 Sep 2007 Former p
RABAT, Dec. 26 (Xinhua) -- The Moroccan national team coach Rachid Taoussi announced Wednesday the squad for the finals of the African Cup of Nations (ACN-2013) in South Africa from January 19 to February 10. Taoussi left out Queens Park Rangers forw
Voice 1 Hello, Im Ryan Geertsma. Voice 2 And Im Ruby Jones. Thank you for joining us for todays Spotlight program. Voice 3 I had my first and only child in 2001. I went through a long labour and delivery - about twenty-six [26] hours. My parents came