单词:pulsed power travelling-wave tube
单词:pulsed power travelling-wave tube 相关文章
[00:00.00]In the evening,I like to play with my children. [00:03.52]I have two children,a boy and a girl. [00:06.55]They are six and eight years old. [00:08.76]I also like to study. [00:10.43]Right now I am studying Chinese [00:12.79]by distance lear
[00:00.00]In most subways,there are stations [00:04.12]about every one kilometer along the route. [00:08.20]Most subway are very modern and clean, [00:12.34]but they can get very crowded sometimes. [00:14.88]So,people have to follow certain rules [00
[00:01.00]Module 2 Developing and Developed Countries [00:09.22]Vocabulary and Listening [00:11.93]Activity 3 Check the meaning of these words [00:16.06]Now listen to the conversation and tick the topics you hear. [02:34.36]Activity 4 Listen again ch
auricular, adj 耳(状)的;听觉的 【例】an auricular tube [医]听诊器 【源】源自拉丁语 auricula耳 【区】particular(adj 特殊的),一起记。你们不觉得耳朵是最特殊的器官吗? 【参】aural(adj 听觉的
Sucre搬回牢房以后成为Michael越狱的帮手。一天晚上,Sucre为Michael放哨,Michael则准备把牢房的墙壁凿穿。 [00:07.30]Listen and Share [00:41.76]Sucre [00:44.16]Michael [00:47.34]Sucre [00:48.20]Michael [00:55.63]You're clear. [01:13.15]If the chemicals c
V@enook.cn Lesson 17 Bring me some jam. What are you doing,Mom? I'm making some sandwiches. I'll help.I'll cut the bread. OK,Katie. Oh,Katie!What a mess!Give me that knife,please. Bring me some jam,please. Mom!Dan's eating the jam! The jar's almost e
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
Mary: On holiday, one summer, we were camping, of course, (Yes, of course) er, and had been to Italy and, er, back into France (Yeah) and, at the border, we had an awful lot of trouble finding the pas
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
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
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
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
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
London's 'Tube' Plays Crucial Olympics Role Massive overhaul Head into the Tube and you never quite know what you might find. With 12 million passengers passing through every day - and three million more expected during the Olympics - the Tube is its
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
We're travelling along the Ganges, travelling down the Ganges, and i just want to know if you could perhaps help us to understand why is the Ganges so sacred to Indians? Ganga and me has a very special relation, when i was on the banks of Ganga, i co
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
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,