[机] 转缸式航空发动机

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

发表于:2018-11-30 / 阅读(174) / 评论(0) 分类 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

发表于:2018-12-02 / 阅读(271) / 评论(0) 分类 初级口语教程

Broadcast: January 14, 2003 By Jill Moss VOICE ONE: This is Phoebe Zimmerman. VOICE TWO: And this is Bob Doughty with Science in the News, a VOA Special English program about recent developments in sc

发表于:2018-12-07 / 阅读(98) / 评论(0) 分类 VOA2003(上)-健康资讯

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,

发表于:2018-12-08 / 阅读(448) / 评论(0) 分类 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

发表于:2018-12-08 / 阅读(255) / 评论(0) 分类 背诵为王第一册

个人简介: Louis Szekely (born September 12, 1967), known professionally as Louis C.K., is a stand-up comedian, Emmy-winning television and film writer, actor, producer, and director from Boston, Massachusetts. He currently stars in the FX comed

发表于:2018-12-09 / 阅读(85) / 评论(0) 分类 英语万花筒

In April of 2005, Jacques Chirac and the German Chancellor at the time, Gerhard Schrder, announced plans to spend over a billion euros on a joint French-German search engine to compete with the American company Google. The project would be called Qu

发表于:2018-12-30 / 阅读(118) / 评论(0) 分类 初级商务英语听力2007

发表于:2019-01-02 / 阅读(238) / 评论(0) 分类 知性英语

SCIENCE IN THE NEWS - Saying Goodbye to Polio: Not There Yet, but Close By Karen Leggett and Cynthia Kirk Broadcast: Tuesday, December 27, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS in VOA Sp

发表于:2019-01-02 / 阅读(84) / 评论(0) 分类 科技之光

Cooking is one big science experiment and chefs have been gaining fame for more explicit uses of scentific techniques and tools in the kitchen. Now, according to an article in the December issue of physics world, mixologists the folks behind the bar

发表于:2019-01-08 / 阅读(114) / 评论(0) 分类 Scientific American(十二)月

Cooking is one big science experiment. And chefs have been gaining fame for more explicit use of scientific techniques and tools in the kitchen. Now, according to an article in the December issue of Physics World, mixologiststhe folks behind the bara

发表于:2019-01-08 / 阅读(119) / 评论(0) 分类 Scientific American(十二)月

SCIENCE IN THE NEWS - Fight to End Polio a Story of Unexpected Problems, but Also Progress Over the years, polio experts have had to learn to deal with surprises. Transcript of radio broadcast: 03 March 2008 VOICE ONE: This is SCIENCE IN THE NEWS in

发表于:2019-01-11 / 阅读(119) / 评论(0) 分类 VOA慢速英语2008年(三)月

This is the VOA Special English Development Report. Sometimes it takes an engineer to help a village. In poor communities, that help may come from volunteers with a group called Engineers Without Borders. A civil engineering professor in the United

发表于:2019-01-11 / 阅读(89) / 评论(0) 分类 VOA慢速英语2008年(一)月

World Partners Intensify Effort to End Polio From VOA Learning English, this is As It Is. Welcome to the show. I'm Caty Weaver. On the program today, we explore the continuing international effort to end polio following an outbreak of the disease in

发表于:2019-01-12 / 阅读(315) / 评论(0) 分类 2013年VOA慢速英语(九)月

It Can't Happen Here by Sinclair Lewis Chapter 10 While I hate befogging my pages with scientific technicalities and even neologies, I feel constrained to say here that the most elementary perusal of the Economy of Abundance would convince any intell

发表于:2019-01-26 / 阅读(222) / 评论(0) 分类 有声英语文学名著

DEVELOPMENT REPORT — June 10, 2002: Campaign Against Polio By Jill Moss This is the VOA Special English Development Report. In nineteen-eighty-eight, world health leaders started a campaign to end t

发表于:2019-01-30 / 阅读(119) / 评论(0) 分类 农业与发展

This is the VOA Special English Development Report. An Afghan girl receives a dose of polio vaccine The World Health Organization has begun to use a new vaccine against polio. Officials say it will become a major tool in the campaign to end a disease

发表于:2019-01-31 / 阅读(109) / 评论(0) 分类 2010年慢速英语(一)月

oil field 油田 wildcat 盲目开掘的油井 percussive drilling 冲击钻探 rotary drilling 旋转钻探 offshore drilling 海底钻探 well 井,油井 derrick 井架 Christmas tree 采油树 cr

发表于:2019-02-03 / 阅读(135) / 评论(0) 分类 英文语法词汇

Christmas in America means different things to different people. To some people, Christmas means brightly wrapped packages under a decorated tree. To others, it means family reunions and a wonderful meal together. To Christians, it means Jesus' birth

发表于:2019-02-08 / 阅读(122) / 评论(0) 分类 实用英语

Now look, I'm a technology fan, but I have to admit to you all I'm a little old. 我是一个技术发烧友,但我得承认我年纪是大了点。 So I was a little slow, and I did not trust technology, and when they first came out with those new

发表于:2019-02-13 / 阅读(95) / 评论(0) 分类 TED演讲国际问题篇
学英语单词
AC servomotor
acceleration parameter
aculea
aggregate consumption funds
at the other extreme
atomic hydrogen torch
Baljevac
basket signal
beruss
built in threshing plant
cajaput
calines
caravaner
cark it
Central District
chantefable
characeeristic
chromosome configuration (darling ton 1929)
compacting machine
computer aided photo-repeat
core lattice
coronary endarterectomy
critical strain
customs-house officer
deep suction share
dimethoxy-benzeneo
dosemeter
efficiency of filtration
Eidsfoss
electronic format
empty relation
falsification of documents
fishpoles
force-displacement
freight terminal charge
freight train performance
furnace campaign
GALLO
Galvanized Pipes
garou
gooseberry stone
gotten the sack
goutweed
Grinling Gibbons
hands off flight
harebin
hepatoumbilical ligament
Ilex guizhouensis
illustrissimo
indirect losses
isobutyl xanthate
ixa
landformgeometry
Law Times
lcencylpeptidase
liloes
line sensitiity
loin
malaxator
mammate
meatus nasi communis
microwave ranging
mokele-mbembe
Mykrox
mylodontes
myosinose
nationsbanks
negotiable
oil cooler
Olalhas
order lycopodialess
ordered search
orthoscopic model
Pannu
patch sth together
pentabromization
pine sphinx moth
polygraphically
quadtatic
radovan
relay pumping station
rib-baste
sample deviation
sign of differentiation
silk noil spinning
slagle
soup with aspargus
ST_the-earth-and-outer-space_mineralogy
standard atmospheric conditions
statistica distribution
Thiomebumal
Tindari, C.
to remain committed to
tramaine
transaction control language
turbofed
twt
unranking
URBI
uterointestinal
waist-deeps
zeldin