n. 丝叶韭

Space aliens and extraterrestrials have long been popular subjects of Hollywood movies and science fiction literature. But the idea of intelligent life in outer space is no longer limited to fiction. For the last 50 years, scientists and astronomers

发表于:2018-12-08 / 阅读(91) / 评论(0) 分类 VOA标准英语2010年(十一)月

Space Mysteries 太空搜密 by Kevin Lustig The universe is a big place. In all of that space, humans have discovered many things that both fascinate and mystify us. Tune in to the National Geographic Channel this month to learn about some intriguin

发表于:2018-12-08 / 阅读(77) / 评论(0) 分类 常春藤解析英语

So West Nile virus is transmitted to us to humans by mosquitoes, so everything we can do to avoid contact with mosquitoes, to avoid being bitten is a good thing. First, a lot of the bitting take place in and around your home, so go around the outside

发表于:2018-12-11 / 阅读(92) / 评论(0) 分类 访谈录2012年

Is anyone out there? For over 40 years scientists have been searching for extraterrestrial intelligence, but theyve found nothing. Now the new Allen Telescope Array, a string of 350 radio telescopes, is being built 300 miles north of San Francisco a

发表于:2018-12-30 / 阅读(116) / 评论(0) 分类 国家地理2008年

Is anyone out there? For over 40 years scientists have been searching for extraterrestrial intelligence, but theyve found nothing. Now the new Allen Telescope Array, a string of 350 radio telescopes, is being built 300 miles north of San Francisco a

发表于:2018-12-30 / 阅读(106) / 评论(0) 分类 国家地理2008年

DEVELOPMENT REPORT - Fighting Malaria in Africa From Your Home ComputerBy Jill Moss Broadcast: Monday, July 24, 2006 This is the VOA Special English Development Report. Personal computers can spend a

发表于:2019-01-02 / 阅读(80) / 评论(0) 分类 2006年慢速英语(七)月

Radio telescopes are not enough, says SETI scientist Art Chimes | Washington, DC 16 April 2010 When the search for extra-terrestrial life began a half-century ago, it was assumed that technological civilizations would broadcast more and more signals

发表于:2019-01-13 / 阅读(144) / 评论(0) 分类 VOA标准英语2010年(四)月

Space aliens and extraterrestrials have long been popular subjects of Hollywood movies and science fiction literature. But the idea of intelligent life in outer space is no longer limited to fiction. 外星人和天外来客长期以来一直是好莱坞

发表于:2019-01-19 / 阅读(77) / 评论(0) 分类 VOA双语新闻 2011年2月

Ok, imagine you are at the beach, in order to figure out if there are fish in the ocean, you dip an empty glass into the water and look inside. No fish in the glass? Well, there must be no fish in the ocean. Not too logical, is it? But that's exactly

发表于:2019-01-22 / 阅读(142) / 评论(0) 分类 自然百科2008年

And clearly, we are trying to find evidence of ET, and we are trying to do that by looking for a signal, in whats called the electromagnetic spectrum, which is a fancy way of saying the radio dial, at least for us. Let me turn on my radio here, okay,

发表于:2019-01-22 / 阅读(103) / 评论(0) 分类 自然百科2008年

Meanwhile, back at the AAAS, ET has not phoned Earth. SETI, situated near San Jose, has not found alien intelligence. So they are, controversially, going for METI, sending messages out instead. Doug Vakoch from the SETI Institute at the press confere

发表于:2019-01-24 / 阅读(74) / 评论(0) 分类 英语语言学习

SETI研究员赛斯.肖斯塔克打赌说我们会在接下来的24年里找到外星生物,否则他就免费请你喝杯咖啡。在TED的加州圣何塞拍摄点,他解释了新的科学技术和概率学规律是如何证明寻找外星人很可

发表于:2019-02-05 / 阅读(98) / 评论(0) 分类 TED公开课:头脑游戏

Science and technology 科学技术 Searching for aliens 寻找外星人 The wow factor 防止再次意外 A new citizen-science project will improve the chances of finding ET 一个新的平民科学项目可以增大找到地外智慧的机会 EVER

发表于:2019-02-16 / 阅读(101) / 评论(0) 分类 经济学人科技系列

Are we alone in the universe? Its a question astronomers have pondered ever since we discovered Earth was not the only planet in the cosmos.我们是宇宙中唯一的智慧生命吗?自发现地球并非宇宙中唯一的星球以来,这个问题就

发表于:2019-02-19 / 阅读(117) / 评论(0) 分类 阅读空间

E. T. Phoned. Now What? 外星人来电 Suppose one day scientists pick up a transmission they think is generated by alien s . Now what? Do we build a landing strip and break out the welcome wagon? Well heres the thing about picking up alien broadcas

发表于:2019-02-24 / 阅读(107) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
abkary
air force cadet screening test
alphanumeric bookkeeping machine
Anacardiaceae
animal tolerance
associable design
B.Adm.Eng.
bedfellows
booked for
brushed aside
burnt coal
cathode vacuum etching
centrifugal lubricator
chemi-ionization process
cherf
chongoni
clinozoisites
comble
commercial agencies stationed abroad
coordinatively
cratylus
crowper
detonating-cartridge
dynamic fragmentation
energy-conversion device
expired gas
factorial experimentation
ferro nickel alloy
fibrae perventriculares
first press felt
fore-hand rent
Fort Saint-Pierre
Fraas breaking point
Gajisan
gammier
gastric indigestion
haliplankton
Hegar's dilator
Holboellia angustifolia
Horner syndrome
immune-related peptide
include me out
input source
lattice vibration
Leptohymenium
linearized filter
Linociera leucoclada
Lubasz
lubritory
luttmann
Marano, L.di
Marcillac-la-Croisille
material wastage rate
noncommunism
nonhaemolytic
oloron
opportunity for buying large quantity
overdramatic
overhead cableway
overhead crane with grab
parenesis
pastor sturnuss
perfluocarbon
perihelion precession
pock-mark
Polygala globulifera
powder-metallurgy
precast ribbed roof slab
propeller blade spacing
prophylaxi
pull-ring
pullbutton
radiotelegraph autoalarm
rail-slitting mill
rasing raze
reduction thickening
refrigeran
Richella
semigraphical method
sequential structure
setting circle
sigmoidaugmentationcystoplasty
stack dilution factor
steering gear assembly
supereon
syn synchronous idle
Tafel equation
thin shell surface
torricellis
trade name aspirin
trithio
tuco-tucos
turretlike
unidimensional search
urban growth
violet-tinged
wastlers (mediaeval england)
wedge beam
weighted 4-bit code
widely-accepted
winch motor