单词：surface tensional force
单词：surface tensional force 相关文章
Hoverboards Ignore Gravity Can you imagine riding around the streets of your hometown on a skateboard without wheels? In the late 1980s, film director Robert Zemeckis showed a skateboard floating above the ground in his movie Back To The Future Part
2014年VOA慢速英语(十二)月
MICHEL MARTIN, HOST: Mars is about to get a new visitor from Earth tomorrow. If all goes well, a NASA probe called InSight will land near the Martian equator. Its mission is to study the interior of the planet. But, before it can carry out its missio
2018年NPR美国国家公共电台11月
Under Pressure压力之下 In physics, pressure depends on the amount of force acting on a surface and on the size of the surface. The smaller the surface, the greater the pressure. Lets say that a woman steps on your toe; she weighs 120 pounds. If s
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You get me a bigger one? We got one more guy to try. Alright. And he is, he is a locked animal, so let's see what we can do. Peggy takes me to the biggest most aggressive wolf here. He is over a hundred pounds. So that is a big male. This wolf lost i
国家地理2007年
地道美语听力播客English as a Second Language Podcast (ESLPod)，是一家位于美国加州洛杉矶的英语教育研究机构推出的英文听力会话，于2005年7月23日首播， 主播Dr. Jeff McQuillan为南加州大学的语言学博士
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Last week, the U.N. Security Council approved a request for a temporary surge of 3,000 peacekeepers to bolster the overstretched U.N. mission in the Democratic Republic of Congo, or DRC. Possible troop contributors met on Wednesday at the United Nat
VOA标准英语2008年(十一月)
By Gary Thomas London 13 September 2006 NATO says its counter-offensive against the Taleban has achieved most of its objectives in Afghanistan. But in talks Wednesday NATO countries did not reach agreement on committing more troops to the fight agai
2006年VOA标准英语（九月）
If we could flip a switch and just turn off the Earth's magnetic field, it will take about 15,000 years to disappear, based on the rate of decay of the field that we've seen over the last 150 years. It's currently decaying at a rate that would see an
自然百科2011年
The National Oceanic and Atmospheric Administration (NOAA) confirms that some of the oil escaping from that ruptured well in the Gulf of Mexico is staying beneath the surface, raising new environmental concerns about the disaster. BP says there is no
VOA标准英语2010年(六)月
Climate change negotiators from 173 countries have agreed on an agenda after days of bickering over the scope of talks left little time for substantive discussions. The disagreement highlighted deep divisions between developing and rich countries on
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ENVIRONMENT REPORT - September 6, 2002: Geckos and Their Sticky Feet By Cynthia Kirk This is the VOA Special English ENVIRONMENT REPORT. Geckos are small lizards that live in warm climates. These liza
健康与环境
By Cathy Majtenyi Nairobi 13 September 2006 The African Union Wednesday endorsed a plan to send a regional peacekeeping force into volatile Somalia. The approval comes as the Union of Islamist Courts is reportedly advancing on a key southern port in
2006年VOA标准英语（九月）
唤醒天使与魔鬼的对话：Force Of The Shore Song：Force Of The Shore Appearance is deceptive So perfect in disguise Therea?s more than what you see A semblance is protective A blinder for the eyes A place to hide and flee Flee and you all ne
英文摇滚歌曲
By Barbara Schoetzau New York 05 May 2008 U.N. Secretary-General Ban Ki-moon has formed a high-level task force to deal with the global food crisis. From VOA's New York Bureau, correspondent Barbara Schoetzau has the story. Mr. Ban just returned from
VOA标准英语2008年（五月）
Marit Larsen 从那个红遍全球的少女组合M2M里走出来的Marit Larsen并没延续M2M的流行摇滚，而是选择了清澈的民谣曲风，用她时而俏皮时而的甜蜜的嗓音来吟唱她自己写的小曲儿，带给听者如沐春风的清新感觉。 中英歌词: It's such a funny sensation to be so happy that
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By Anita Elash Paris 02 August 2007 The international community has thrown its support behind the United Nations resolution authorizing a 26,000-strong peacekeeping force in Darfur. The force is to be in place by January. But some experts say getting
2007年VOA标准英语（八月）
今天我们要学的词是driving force。 Driving force, 推动力。不久前，脸谱网Facebook的访问量超过谷歌。业内专家认为，这种情况显示， Content sharing has become the driving force online, 内容共享已成为网络活
英语单词荟萃
LOS ANGELES, June 18 (Xinhua) -- Microsoft Corp. unveiled Monday a family of tablets dubbed Surface, built on Windows 8, at an event in Los Angeles. Microsoft Chief Executive Steve Ballmer introduced the company's Surface family of tablets. The devic
英语新闻
The scale is of course more an idea than an object, an arbitrary measure of the Earth's tremblings based on surface measurements. 当然，里氏震级是一个概念，不是一件东西，是一个根据地面测量的结果武断地得出的地球震
万物简史
Why Frisbees Fly With a gentle flick of the wrist on a warm summer day, you can launch a frisbee on a long and graceful flight. Why do they fly so well? One reason is something called gyroscopic force. This is the tendency of a spinning object to mai
英语听力文摘 English Digest