转盘方钻桿衬套

rig --n.索具装备,钻探设备,钻探平台,钻塔;v.装上索具,配备,装配 rigorous --adj.严格的,严厉的,严酷的,严峻的 rim --n.边,轮缘,蓝框;vt.镶边,为...装边,沿...边缘滚动;vi.形成边状 rip --v.撕,剥,劈,锯,裂开

发表于:2018-12-01 / 阅读(238) / 评论(0) 分类 新东方六级词汇

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(214) / 评论(0) 分类 VOA2003(上)-健康资讯

Malawi Woman Resists Early Marriage, Provides Education to Girls Girls on the Move Secondary School is a symbol of hope for girls from poor families in Malawi. The school is free and welcomes young girls who would traditionally be forced to marry. 马拉

发表于:2018-12-07 / 阅读(175) / 评论(0) 分类 2017年VOA慢速英语(十二)月

Malawi Woman Resists Early Marriage, Provides Education to Girls Girls on the Move Secondary School is a symbol of hope for girls from poor families in Malawi. The school is free and welcomes young girls who would traditionally be forced to marry. 马拉

发表于:2018-12-07 / 阅读(200) / 评论(0) 分类 2017年VOA慢速英语(十二)月

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(149) / 评论(0) 分类 英语万花筒

World Closes In on Eradicating Polio Never before have so few children in the world had polio. Yet, as World Polio Day is observed Saturday, those who are trying to rid Earth of the virus say it's time to step up vaccination campaigns. If this happen

发表于:2018-12-16 / 阅读(132) / 评论(0) 分类 VOA标准英语2015年(十月)

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(141) / 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(195) / 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(213) / 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(172) / 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(147) / 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(376) / 评论(0) 分类 2013年VOA慢速英语(九)月

1.Assembly 总成 A: What is an assembly exactly? B: Assembly is a component made of more than one part. A:总成到底是什么? B:总成是由一个以上零件组成的部件。 2.A-Surface A级表面 A: What about A-Surface? B: A-Surface is the surface of a product that

发表于:2019-01-21 / 阅读(201) / 评论(0) 分类 天天商务口语

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(293) / 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(187) / 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(176) / 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(199) / 评论(0) 分类 英文语法词汇

MADRID, Oct. 27 (Xinhua) -- Real Madrid coach Jose Mourinho responded ironically to questions over who will play at left back for his side on their visit to Mallorca on Sunday night. Real Madrid are still without full backs Alvaro Arbeloa, Marcelo an

发表于:2019-02-04 / 阅读(446) / 评论(0) 分类 英语新闻

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(229) / 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(153) / 评论(0) 分类 TED演讲国际问题篇
学英语单词
acid-base balances
activity code
adhortative
alveole
anthrafuran
automatic data-processing
back crawl
biological fitness
bladelet(te)
branched optical cable
Break-even time
brightening
camshaft annular combustion chamber
ceasar cipher
clinical manifestation
coefficient of velocity fluctuation
Collooney
colo(u)r reversal
consensus-building
continuous electrophorus
copulins
correlation allowance
degentilize
demise charter party
dockominium
Ekpes
end of run routine
ethynyluracil
floristic geobotany
garrott
genetics of mitochondria
grasbrunn
green-whitest
Greene and Greene
gunjet nozzle
hash sequence
haulage means
have a clear conception of
have one's head screwed on the right way
hemiphyllodactylus typus
Heterobasidiomycetidae
HKCU
hot gas pressurizing system
hypernephroma ovarii
idiolect
infrared detector array
insulinotardic
inuksuit
isolas
key-noter
Kretz
kulito
kuping parkia javanica mev.
kuujjuaq (fort chimo)
lady first
lens spotlight
lever-type thrust bearing
Lindy-hopper
Linum stelleroides
liquor ammnonii citratis dilutus
long-span land smoother
lysogenisation
magnetically stable fluidized
Maidus
mesostich
minimum service range
multidisciplinaries
multiple transformer
national diploma
new mode
non-domicileds
operating risks
outsteps
overhead projector (ohp)
paolillo
paramaladera kiyoyamai
peterken
population controls
pricing approach
receiver cord
renmins
reseeding
reticulaphis asymmetrica
rocker side dump car
Rolde
Scotch beaming
separate customs territory
sodium bifluoride
space heater terminal box
stake out a claim
stock converter
T circulator
Taibilla, Sa.de
technical monograph
tonners
tracked enginner
trauma of nose
visinin
voration
water resources system analysis
Yehudi lights
yottameters