单词：duoplasmatron type ion engine
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Airplane Engines In 1945, a new type of airplane engine was invented. It was much lighter and more powerful than earlier engines, and enabled warplanes to fly faster and higher than ever. This type of engine was called the jet engine because it below
英语专业四级考试指南
Lesson 38 Text A Can't She Type? The well-known banker, T. J. Ellington, was at one time in his younger days the manager of a New York office. His secretary had been with him for many years, and knew
初级口语教程
[00:04.57]Excitement fills the early morning air as you arrive at learn to recognize and name each part of the parachute. [00:19.17]You also learn what each part does. [00:22.05]The excitement builds as your teacher describes each stetp it of the jum
美国英语听力80篇
听广告学英语:Mitsubishi GDI Engine三菱汽车引擎 Mitsubishi GDI 三菱汽车引擎 原文 It's the GDI, the engine technology of tomorrow is already being driven today. Mitsubishi's GDI engine produces more power, reduces fuel consumption, and emits less carb
听广告学英语
Bella: What's your blood type, Luke? Luke: It's A, I think. Why do you ask? Bella: Well, mine's B. Luke: So? Bella: They say people with A blood type get along very well with those with B blood type. Luke: Really? 你是什么血型? 贝拉：卢克，
赖世雄初级美国英语
34 Buying Books on the Internet It's easy to order books from the Internet. There are several companies that ship books to customers in China. Just decide which company you would like to use and type that company's name into the search engine. The co
背诵为王第一册
A: Are dates fun for you? B: I enjoy dating a lot. A: Why are they so fun for you? B: Dates allow me to meet new people. A: Your dates are always fun? B: Well, I don't always like who I'm dating; so not always. A: How come? B: The person I am dating
英语情景对话-约会
[00:07.58]Igor Sikorsky was born in the city of Kiev, Russia; on May 25, 1889. [00:16.12]His mother was a doctor. [00:15.12]His father was a professor of psychology. [00:18.59]Igor became interested in science when he was very young. [00:23.82]He was
美国英语听力80篇
Everybody uses search engines. The most popular one in the world is Google. Im not sure if its the best search engine but everyone knows it. Google always works for me. I never use any other search engine. I dont really see any need for anything else
听一分钟英文-S
A: Do you like dating? B: It's really a lot of fun. A: What makes it so much fun? B: It makes it easier to get to know somebody. A: Are dates always fun to you? B: Sometimes I may not like the person I'm having a date with. A: Why is that? B: The oth
英语情景对话-约会
A: Do you enjoy going on dates? B: Yes. I find dates to be a lot of fun. A: What's so fun about them? B: They give me the opportunity to get to know someone better. A: So you always have fun on dates? B: Not always. I don't always like the person I'm
英语情景对话-约会
Scientists have identified a unique genetic mutation in about 10 percent of people with type 2 diabetes(糖尿病) studied in the United States and Europe. The discovery could help some people learn if they are at risk of developing diabetes so they
英语新闻
Fighting Fire in Nairobi with Just One Fire Engine 内罗毕的消防部门只有一辆消防车 肯尼亚首都内罗毕人口日益增长完全超过了城市应急设施的承受范围。这个城市的消防部门已经捉襟见肘,居民正在采取
VOA标准英语2013年(七月)
'Engine Block Burritos' And Other Road Trip Tips From Touring Musicians AILSA CHANG, HOST: Road trips mean different things to different people. Maybe you're counting yellow cars or listening to all the Harry Potters. Personally, I always end up fall
2016年NPR美国国家公共电台8月
讲解 Today's key word is Engine engine[英][end??n][美][?nd??n] n.发动机，引擎; 工具; 火车头; 机车; vt.给安装发动机; Eg. is a search engine.） It means: A machine designed to convert one form of energy into mechanical energy. 例
英语悠选脱口秀
SAN FRANCISCO, Nov. 21 (Xinhua) -- E-commerce and online payment giant eBay announced on Monday that it has acquired New York-based technology startup Hunch, an online platform that delivers customized recommendations to users based on their individu
英语新闻
By Carolyn Weaver Washington, DC 09 February 2006 watch Brookhaven report Experimental results at Brookhaven National Laboratory’s supercollider that replicate in miniature the “Big Bang,” when
2006年VOA标准英语（二月）
Bella: Whats your blood type, Luke? 贝拉：卢克，你是什么血型？ Luke: Its A, I think. Why do you ask? 卢克：我想是A型。你问这干嘛？ Bella: Well, mines B. They say people with A blood type get along very well with those with
天天练口语
When I'm old and grown I won't sleep alone, woah oh Every single moment will be faded into you That's some type of love That's some type of love And I won't sing the blues Cause all I need is you, woah oh Every single question will be answered all by
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