单词：power traveling wave tube
单词：power traveling wave tube 相关文章
Using Electronics While Traveling Justin: Are you nearly packed? Marsha: Almost. Lets see, I have wall chargers for my cell phone and other devices, extra memory cards for my camera, and noise- canceling headphones for the airplane. Justin: Oh, yeah,
2013年ESL之旅行交通购物
Traveling Light Joel Hanson Sara Groves Well I was doubling over the load on my shoulders Was a weight I carried with me everyday Crossing miles of frustrations and rivers a raging Picking up stones I found along the way I staggered and I stumbled do
英语金曲精听
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
VOA标准英语2010年(十一)月
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
每日攻克5词
Traveling Light Joel HansonSara Groves 卸下重负，轻装前行。 Well I was doubling over the load on my shoulders Traveling Light Was a weight I carried with me everyday Crossing miles of frustrations and rivers a raging Picking up stones I fou
电影歌曲
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
英语单词荟萃
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
英语每日一词
Yvonne: This is 6 Minute English, I'm Yvonne Archer and Alice has kindly joined me for today's programme. Hello Alice. Alice: Hi Yvonne. Yvonne: Now Alice, how do you get around London? Alice: Ooh by bus, bicycle and usually the Tube. Yvonne: Aha, an
六分钟英语
Cameras captured the moment the earthquake hit at 2:46 on Friday afternoon in Japan. The nation's lawmakers felt the power of the magnitude 8.9 force. And the cameras rolled here in a Sendai newsroom about 90 miles from the quake. It set off this hug
万花筒2011年
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
与美国小学生一起学英文第10册
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
2015年VOA慢速英语(五)月
A severe heat wave sweeping across the plains of India has claimed at least 100 lives. It has also led to power and water shortages in many parts of the country, including the capital, New Delhi. Dogs join daily wage laborers and rickshaw pullers as
VOA标准英语2009年(六月)
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
VOA标准英语2014年(三月)
I am going on a series of astonishing adventures. Traveling along three of the mightiest rivers on the planet.These rivers have given rights to some of the world's greatest civilizations. For centuries, we washed their life-giving waters and feared t
自然百科2015年
BBC Learning English London Life Friendliness on the tube Yvonne:I'm Yvonne Archer and this is London Life from bbclearningenglish.com. Hello! In today's programme, we're talking about friendliness on London's tubes. Is there any? As you probably kn
伦敦生活
MICHEL MARTIN, HOST: Let's talk midterm elections now. The enthusiasm of Democrats is a major force shaping this year's crop of candidates. Among the results of a newly energized Democratic Party, far more women are running and expected to run in thi
2018年NPR美国国家公共电台3月
听歌学英语:Traveling Light 演唱者Joel Hanson和Sara Groves是两个乡村歌手,Joel 是一个优秀吉他弹奏者,在与Sara Groves合作前发行过两张专辑《broken》和《Interview》。与Sara Groves合作的第一支单曲就是《
听歌学英语
And the direction the crystals are pointing makes a difference to the speed seismic waves travel through the rock: a wave traveling parallel to the crystalsin other words, along the length of the toothpickmoves faster than a wave traveling in the oth
英语时差8，16
The death toll from the heat wave currently gripping India has surpassed 13-hundred, with temperatures soaring above 47 degrees in certain parts of the country. Southern India's Andhra Pradesh has recorded over a thousand deaths. From last one week,
2015CRI中国国际广播电台
Justin: Are you nearly packed? Marsha: Almost. Lets see, I have wall chargers for my cell phone and other devices, extra memory cards for my camera, and noise- canceling headphonesfor the airplane. Justin: Oh, yeah, I forgot to pack my headphones. Id
地道美语播客