单词：rectangular potential well
单词：rectangular potential well 相关文章
This is the VOA Special English Agriculture Report. A round barn in Illinois American farmers traditionally keep their animals and equipment in barns that are rectangular. But there are hundreds of barns in the Midwest and other parts of the country
VOA慢速英语2009年（十二）月
Part 8. At lost and found office 在失物招领处 1. What does he look like? 他长什么样？ She has small eyes. 她眼睛很
辛沛沛NO-BOOK 傻瓜机从零开始学英语
By Peter Fedynsky Kyiv 30 September 2007 Ukrainians cast their ballots in a special parliamentary election, in which domestic and international observers sought to assure an honest vote.Opposition leader Yulia Tymoshenko says she will ask President V
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A woman in a blue bathrobe was sitting on acrumbling stone wall. She was sobbing into herhandkerchief. Two boys with dark hair sat next to the woman. The boys wore dusty, torn pajamas. They were bothbarefoot. The younger one was watching the olderboy
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Welcome to This I Believe, an NPR series presenting the personal philosophies of remarkable men and women from all walks of life. Support for NPR Podcasts comes from Visa, offering the Visa signature card, featuring concierge services for travel, din
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Vella: OK, Daniel, I know you're still really young but I know you must be thinking about what you're going to do in the future so my question would be what do you want to achieve in your life? Daniel: Well, there are definitely three things I want t
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Dear Rosemary, Thanks for your letter, which took a fortnight to arrive. It was wonderful to hear from you. I know you 're dying to hear all about my life here, so I've included some photos which will help you picture the places I talk about. You as
高中二年级英语
Different shapes and forms are everywhere. Boxes and street signs are square or rectangular. Balls and wheels are round. The sun and moon are round. Wedding rings are round. Eggs and light bulbs are almost round. Pyramids and arrow tips are triangula
简单慢速英语阅读
Different shapes and forms are everywhere. Boxes and street signs are square or rectangular. Balls and wheels are round. The sun and moon are round. Wedding rings are round. Eggs and light bulbs are almost round. Pyramids and arrow tips are triangula
原版英语小短文
This is the VOA Special English Agriculture Report. A round barn in Illinois American farmers traditionally keep their animals and equipment in barns that are rectangular, longer than they are wide. But as many as one thousand barns in the Midwest a
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AS IT IS 2015-01-31 Woman Survives Nazi Death Camp by Mistake Dagmar Lieblova was 14 years old when she arrived at the Auschwitz death camp in December 1943. Everyone in her family was with her. They were Jews from Czechoslovakia. All of them but Dag
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AS IT IS 2016-09-13 American Teenager's 'Domino' Artwork Goes Viral This is Whats Trending Today. A teenager from the northeast state of New Hampshire has one of the top trending YouTube videos this week. Lily Hevesh is known as Hevesh5 on YouTube. S
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New research suggests ayahuasca, a jungle vine found in the Peruvian rainforest, can have a powerful effect on the human central nervous system when brewed with other plants. Researchers say one of ayahuasca's most promising uses could be in treating
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ROBERT SIEGEL, HOST: Rudolph Giuliani, who's being mentioned as a possible secretary of state in a Trump administration, is best known for having been mayor of New York City on 9/11. In fact the terrorist attacks were near the end of his eight-year a
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By Mike O'Sullivan Los Angeles 11 February 2008 Striking Hollywood writers could return to work this week to end a three-month strike that has crippled film and television production. The news raises hopes that the Academy Awards, or Oscars, may go a
VOA常速英语2008年（二月）
By Lisa Schlein Geneva 15 September 2007 The United Nations warns floods in West Africa could provoke an invasion of locusts in Mali and Niger. It says it is critically important that UN experts be given access to the locust-prone region so they can
2007年VOA标准英语（九月）
Beginners. We are continuing with our series 'The Tour of Homes', highlighting all the everyday details of life at home. You are probably thinking, When is she going to be finished with the kitchen? I think this is the last kitchen episode, at least
英语博客 A cup of English
He bought a DVD player. He went home. He unplugged the old DVD player from the living room flat-screen TV. He hooked up the new player. He plugged the old player into the 10-year-old TV in the bedroom. His wife came home. She said, Why didn't you jus
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