单词：cathode heater tube
单词：cathode heater tube 相关文章
Technology Report - How to Make Your Own Solar Water Heater This is the VOA Special English Technology Report. Solar water heaters are used around the world and are not very difficult to build. The system we are going to describe is based on a design
2011年VOA慢速英语(四)月
sitting room / living room 起居室，客厅 air-conditioner / AC 空调 heater 加热器 radiator 散热器 fan 风扇 carpet 地毯 rug 小毯 curtains / drapes 窗帘 sofa / couch 沙发 cushion 垫子 armchair 扶手椅 settee 有靠背的长椅
雅思英语
DEVELOPMENT REPORT – How to Make a Solar Water Heater By Gary Garriott Broadcast: Monday, November 29, 2004 I'm Gwen Outen with the VOA Special English Development Report. Solar water heaters save o
农业与发展
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
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a
Scientific American(四)月
This is the VOA Special English Development Report. Solar water heaters are devices that use energy from the sun to heat water. Solar water heating is used around the world. An example of a rooftop solar water heater being built in South Africa The
VOA慢速英语2009年（四）月
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
VOA标准英语2012年(七月)
Review Exercise 3: Get a Better Water Heater! CD 3 Track 53 Pause the CD and go through the same steps with Get a better water heater! 图片1
标准美语发音的13个秘诀 CD3
A: I need your assistance. B: Whats the problem? A: I cant find the place Im looking for. B: What are you looking for? A: I am trying to go see a movie. B: You dont know where the theater is? A: Im completely lost. B: Do you have any idea where the m
英语情景对话-邻居
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
听力题目： 1. (A). I forgot my train ticket as well as my passport. (B). Luckily I brought my ticket with me. (C). I thought my passport was my ticket. (D). I didnt know I needed a passport. 2. (A). He was wearing his jacket to keep warm. (B). H
托福听力单句训练
Jason wanted to buy a Soleus space heater. It is quiet. It produces a lot of heat. Amazon.com was selling it for only $40. But next-day shipping cost $20. For $46, the heater was also at Office Depot. Jason walked over to Office Depot. A worker said,
英文短篇故事（纽约）
Who cleans the bathrooms here? 这里的洗手间由谁来打扫？ The janitor cleans them. Why? 是由看门人负责打扫的。怎么了？ The bathroom is dirty. And there aren't any paper towels. 这间洗手间很脏。而且里面都没有纸巾
大家说英语
Hi, Susie. Sorry I'm late. 嗨，苏西。很抱歉我迟到了。 That's OK. Did something happen? 没关系。出了什么事儿吗？ Yes. I took a shower this morning. But I wasn't careful with the shower curtain. 是的。我今早冲了个澡。但
大家说英语
I'm expecting an important call. 我在等一个重要电话。 expect （因为已经安排而）预期,等待，盼望 We were expecting his call yesterday. 我们昨天一直在等他的电话。 I am expecting a visitor. 我在等客人。 A:You'
跟艾米莉一起学口语
托福听力中涉及到很多词组的使用，任何情况下词组与词汇都是至关重要的，在复习托福考试时，Delta是很多考生的备考资料。而且其中部分出现的生词也很有可能出现在托福实战中。下面我们
托福英语
(1) 在时间或条件状语从句中可以表示将来： Ill go to see him when I have time. 我有时间就去看他。 Well have to stay here if it rains tomorrow. 如果明天下雨我们就只好留在这儿。 (2) 在 make sure(弄清楚)，ma
实用英语