旋转效率

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(394) / 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(375) / 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(314) / 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(343) / 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(266) / 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(297) / 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(306) / 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(343) / 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(385) / 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(347) / 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(301) / 评论(0) 分类 VOA慢速英语2008年(一)月

Agriculture Report - Improving 'Feed Efficiency' in Cattle 农业报道 - 提高牛的饲养效率 From VOA Learning English, this is the Agriculture Report in Special English. 这里是美国之音慢速英语农业报道。 Animal feed is the bigge

发表于:2019-01-12 / 阅读(395) / 评论(0) 分类 2012年VOA慢速英语(十一)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(573) / 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(444) / 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(348) / 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(352) / 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(361) / 评论(0) 分类 英文语法词汇

By Mike O'Sullivan Los Angeles 16 November 2007 Auto makers who are showcasing their latest models at the Los Angeles auto show are expanding product lines in the hope of staying competitive in a changing market. Mike O'Sullivan reports, carmakers fr

发表于:2019-02-06 / 阅读(397) / 评论(0) 分类 VOA常速英语2007年(十一月)

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(403) / 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(314) / 评论(0) 分类 TED演讲国际问题篇
学英语单词
acoustic sounding
apars
Austric languages
automorphic number
bjelajac
building standard
Chondrodendron tomentosum
cimetropium
circular blast-main
coccobacillus
cooling rack
cover glass forceps
diacritical marks
Dibulla
displacement of porches
diterpenoid
dramatised
Dyspas
edward g. robinsons
electronic tracer
event type
excess-of-loss reinsurance
external light intensity
fazal
fluctuating signal
fumaginous
geometric analogy problem
Ghauspur
Gombe Matadi
grass hockey
humourising
hydrocellulose
hysteric pregnancy
i. f. stones
iabies
immiscible flow
impregnating solution
indoor noise level
inhibit banner page
internal sinus of lymph gland
jump mashing
karst fens
lionheart
lipsalves
lymphonodi faciales profundi
macropreprocessor
make-up of trains
member of the orchestra
micrococcus carneus
mind one's own business
minimum-wages
multiplication factor
non electrolyte
non-affixal
nonpeptide
original lacquer
penitote
personally
pip-pip tone
Piper hainanense
polycistronic operon
prestretch
professional field
profile type
projective resolution
psychosomaticists
reception level
reconstructable
regression relation
reproductive performance of certain birds
RF receiver
rius
safety index
safety logic circuit
Scleroderma flavidium
scrutty
self sealing capacitor
seriatum
shamshirs
shrinkproof film
somegate
sonic wave gauge
specific magnetic resistance
split blade
steel metallurgy
storm flap
subcostal muscle
sulodexide
sunlight
Tabasarans
tape-wonund core
tenebrionidaes
terry poplin
TMB-8
u.b.c.
USCPFA
Valisan
weigh somebody down
xanthellus
You cackle often, but never lay an egg.
Zabrus
zwitter-ion