标签:Friction 相关文章
Unit 8 The Theory of Cosmetic Relativity I am the kind of person who likes to be on time for things. I like to be early. Let's say I need to catch a flight leaving at 4 pm. In planning my drive to the airport, I will factor in a cushion: to allow for
Mass Suspensions of Teachers Stoke Concern in Turkeys Kurdish Region 1.2万名库尔德地区教师遭土耳其解职 DIYARBAKIR, TURKEY Educators in Turkey are at the center of a crackdown, with more than 12,000 teachers suspended for alleged links
Why Does Plastic Wrap Cling To Itself? What makes kitchen plastic wrap cling so maddeningly to itself, and so conveniently to the sides of bowls and plates? Plastic wrap clings for two reasons: its elastic and its sticky. That probably seems pretty o
By Lisa Bryant Berlin 12 January 2006 Six decades after the Holocaust, Germany's Jewish population is soaring, thanks, largely, to a flood of new Jewish immigrants from former Communist countries. Ind
标准英语,VOA,Ierael,By Jim Teeple Jerusalem 16 January 2006 Acting Israeli PM Ehud Olmert listens during a Kadima Party meeting at the Knesset in Jerusalem Israel's new centrist Kadima Party officially picked acting Prim
By David McAlary Washington 21 November 2006 The United States and more than 30 other nations have signed a $13 - billion agreement to develop a form of nuclear power in a process called fusion. In a Paris signing ceremony, they agreed to cooperate
By Robert Berger Jerusalem 22 October 2006 Palestinian police officer burns tires during a demonstration demanding payment of salaries in Gaza City, October 22, 2006 Members of the Palestinian security forces launched a wave of anti-government prote
By Paula Wolfson Washington 28 September 2006 President Bush is urging the leaders of Pakistan and Afghanistan to focus on the cause that unites them: victory in the war on terror. He spoke as he welcomed Pakistani President Pervez Musharraf and Afg
By Steve Herman New Delhi 01 May 2007 U.N. officials in Nepal had hoped to begin verifying the identities of thousands of people in U.N-supervised camps who claim to be members of the Peoples' Liberation Army. But as Steve Herman reports from New Del
By Greg Flakus Houston 27 January 2006 An incident on the U.S. border with Mexico Monday, in which Mexican troops allegedly entered U.S. territory in the state of Texas to protect an illicit drug ship
Israel is pressing ahead with plans to build more settlement housing in the West Bank. An Israeli official announced the scheme as a meeting was getting under way in Washington between U.S. President Barack Obama and Israeli Prime Minister Benjamin
Leaked White House Proposal Complicates Immigration Reform Effort What will become of more than 11 million illegal immigrants in the United States? An administration proposal leaked to a U.S. newspaper would establish a path to permanent legal reside
By David McAlary Washington 17 July 2006 The U.S. space shuttle Discovery has landed in Florida, ending a resupply and maintenance mission to the International Space Station. Its successful flight means the space agency NASA can finally resume const
By Andr de Nesnera Washington 11 October 2006 Tensions remain high between Russia and Georgia, after Georgia released last month four military officers arrested on spying charges - an accusation rejected by Moscow. The Russian government retaliated
By Jim Randle Baghdad 13 January 2007 U.S. Senator Hillary Clinton is in Baghdad with a delegation of Congress members to meet with representatives of the U.S. military and Iraqi government officials. VOA's Jim Randle reports from Baghdad. US Senator
Japans Defense Minister said on Friday his country could not accept Chinas air defense identification zone that includes the airspace over Diaoyu Islands which China maintains is its sovereign territory. Chinese Foreign Ministry Spokesperson, Hong Le
By Kurt Achin Seoul 12 December 2006 On a visit to South Korea, U.S. Commerce Secretary Carlos Gutierrez says he is confident that Washington and Seoul can conclude a deal to liberalize trade with each other - but warns the negotiations must speed u
Sailing Over a Tidal Wave 海啸是一种具有强大破坏力的海浪。当地震发生于海底,因震波的动力而引起海水剧烈的起伏,形成强大的波浪,向前推进,将沿海地带一一淹没的灾害,称之为海啸。海啸
What Are Calluses And How Are They Formed? 皮肤上的茧是如何形成的? 人体皮肤由于劳动过程长期摩擦造成皮肤表皮细胞坏死而形成的,主要出现于手掌、足掌等部位。长时间的受到磨檫,组织细胞的老