英语专业四级听写020

Passage 20 Waves How does light get from the sun to the earth? How does music get from the stage to the audience? They move the same way in waves! Light and sound are forms of energy. All waves carry energy, but they may carry it differently. Light

VOA标准英语2010年-Catching a Wave - and its Energy

One of the newest sources of alternative energy is also one of the oldest - water power. The 19th century water wheel, though, bears no resemblance to the 21st century contraptions powered by ocean waves. The wave energy sector has been slow to coale

Heat Wave Grips Parts of China

Local governments in many parts of eastern China are taking steps to try to conserve energy in the midst of the heat wave which has seen temperatures in many parts of the region top 40-degrees. CRI's Shen Chengcheng with more. Heat alerts have been i

SSS 2010-02-18

Welcome to the Science Talk, the weekly podcast of Scientific American posted on February 18th, 2010. I am Steve Mirsky. And you know what the hottest sport in the world is right now? Thanks to the Winter Olympics, it is, of course, curling. That's t

【英语时差8,16】势能

Potential energy in a crossbow When we think of the concept of energy, we often think of objects in motion: a car rolling down a hill or a jogger running up a hill. This kind of energy-in-motion, called kinetic energy, isnt the only kind of energy. A

第41期: long, wave, copy, mail, information

说一口流利的英语，从简单的单词开始。 听听，读读，背背，今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 long [ lCN ] I longed for a bicycle. v

奥巴马每周电视讲话：总统呼吁确保美国引领世界开拓新边疆（03）

And it's why, over the last eight years, we've modernized the government's approach to innovation for the 21st Century. 也因此,在过去的8年里,我们让政府在21世纪的创新方式上现代化。 We've jumpstarted a clean energy revolution

VOA慢速英语2018--July 23, 2003: History of Radio

(THEME) VOICE ONE: This is Steve Ember. VOICE TWO: And this is Faith Lapidus with the VOA Special English program EXPLORATIONS. You are listening to our program today on a radio. Almost no communication would exist in the world without the electromag

2007年VOA标准英语-Heat Wave Kills Dozens in Central, Southeastern

By Stefan Bos Budapest 26 June 2007 A heat wave has killed dozens of people in Central and Southeastern Europe, most in Romania, where authorities have issued a code orange alert in the capital Bucharest and in eight counties. There are also concerns

每日一词【1023】heat wave：热浪，高温天气

今天我们要学的词是heat wave。 Heat wave, 热浪，高温天气。 A heat wave is sweeping the Northeastern region of the United States, 美国东北部地区普遍出现高温天气。 The heat wave could be a record-breaker, 这次高温天气

CNN 2011-03-15

We're dedicating this edition of CNN Student News to our audience in Japan. The world is watching in support, and you are not alone. The nation of Japan is reeling today, trying to recover from a devastating natural disaster. The earthquake hit the i

与美国小学生一起学英文第10册 第4期:波浪

Waves 波浪 A wave is the movement of water. 波浪是水的运动。 Why do waves happen? 波浪是怎么产生的呢？ Waves are made when the wind blows over the surface of water. 风吹水面就会产生波浪。 On the beach, you probably watc

VOA慢速英语2015 美国能源部发起能源奖竞争

US Agency Announces Wave Energy Prize Competition 美国能源部发起能源奖竞争 Experts say that sun and wind are the richest sources of clean, renewable energy. But ocean waves also create powerful, clean energy. So, the U.S Department of Ene

VOA标准英语2009年-Watchdog Group Fears Global Oil Crisis

By Selah Hennessy London 20 October 2009 A global watchdog group says world oil supplies are running low and that may lead to food shortages and spiraling armed conflict. Britain-based Global Witness says governments are doing nothing to prepare for

VOA标准英语2014--Harnessing Ocean Wave Power Provides Cheap Electricity 利用海洋波浪提供廉价电力和饮用水

Harnessing Ocean Wave Power Provides Cheap Electricity 利用海洋波浪提供廉价电力和饮用水 WASHINGTON An often overlooked renewable energy resource is the power of ocean waves. Scientists in California say harnessing energy from the regu

美国国家公共电台 NPR Oceans May Host Next Wave Of Renewable Energy

RACHEL MARTIN, HOST: I say renewable energy and you probably think wind or maybe the sun. You might be able to put the ocean's waves on that list, too. The Department of Energy is experimenting with this idea. The department is spending $40 million t

2015年CRI ＂Reactor Relevant＂ Fusion, a Potential Game Changer in Energy Production

Fusion is how stars produce energy. It occurs when the nuclei of light atoms, such as hydrogen, are fused together under extreme pressure and heat. Tokamak Energy, from Oxfordshire, believes that the third version of their compact, spherical tokamak

How to Create Passion Anywhere and Anytime

How to Create Passion Anywhere and Anytime Remember Science class? Mr. Thatcher, sophomore year in high school, taught us about potential and kinetic energy. I was way more interested in Pam Miller, who sat perilously close to me. But on Mr Thatcher

英语听力文摘 English Digest 323、荡秋千的精彩

Swinging Physics: Potential And Kinetic Energy Working Together 动能与势能相互作用 动能是所有能看到的运动的能量，包括物体的，微粒的或质点集的运动等。 势能(Potential energy )是位置的函数，例如把一个

【英语时差8，16】荡秋千

Sit on a swing, let someone push you, and away you go. But what happens if the person who pushed you walks away, and you want to swing faster and higher. If you've ever been in the second grade, you know the solution to that. Just start pumping your