机械扫描分光镜

By measuring how fast these stars were moving, he could prove if there really was a black hole at the center of an active galaxy. I picked a galaxy nearby which is called NGC 1068, an active galaxy, w

发表于:2018-12-07 / 阅读(449) / 评论(0) 分类 超大质量黑洞

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(191) / 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(165) / 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(191) / 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(136) / 评论(0) 分类 英语万花筒

Academic ListeningPart 7 - Academic readingThis programme was first broadcast in 2001. This is not an accurate word-for-word transcript of the programme. ANNOUNCER: Its time for Academic Listening - a series for students at English-speaking universi

发表于:2018-12-11 / 阅读(184) / 评论(0) 分类 英语讨论

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(116) / 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(128) / 评论(0) 分类 科技之光

At the mall, my wife and I picked up some hardware items, including a handsaw. We were heading back to the car when we passed a steakhouse. Let's try it.

发表于:2019-01-03 / 阅读(270) / 评论(0) 分类 英汉幽默故事选读

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(165) / 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(190) / 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(160) / 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(136) / 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(363) / 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(281) / 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(172) / 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(158) / 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(186) / 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(208) / 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(135) / 评论(0) 分类 TED演讲国际问题篇
学英语单词
al qarah
anglo-europeans
anichini
appleton layers
bibis
buffer gap
burhaneddin
chargeing hopper
charterless
chemorepulsant
chih
cnid-
coil-over
cotrolled atmosphere
cowpers
custommade
d-c generator
DC ringing
degasifier extraction pump
dinitrogenase
discrete-time parameter
distinguish fact from fiction
docu-fantasy
downsitting
druglore
earth-oriented
exception class
extended error correction
extensor carpus ulnaris
facial canal
family artamidaes
five-one
fog-circle
fold-fault
forced-air blast
galiena
gasoline dye
give sth. to the dogs
Gleason score
groove
grummell
half-ball
halfadder
higrade
identifiable units
idjit
interstitial lattice
inverse tangent
jibing
joliots
keyrings
Kinabatangan River
Kinetrast
lollies
m-type
materiel handling equipment
maximum reception volume
Maya-san
methanol oxo-synthesis
misogynism
mixed macrocommand
mnemonic instruction
naaec
nanomechanical
neutron absorption loss
niggerbabble
Nine-Tail
novation
of great eminence
optical fiber losses
oriented tangent line
pars frontalis capsulae internae
passent
ping pong ball
plantula
portuenses
proboscideans
proper conduct of business
protocol generation
pseudoaquatic
puppetries
quadrature-axis sub-transient short-circuit time constant
reeffing bowsprit
route initiation circuit
sadcase
Semiluki
sir david alexander cecil lows
sordidous
spina(spine)
stall fence
stomoxys uruma
stores return
subuniverse
tape backup unit
taplectic
Tarenna laticorymbosa
tetrabenzylsilane
theme-music
thymidine-5'-triphosphate
underness
warjis
wing fence