深空激光通信系统

By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca

发表于:2018-12-08 / 阅读(86) / 评论(0) 分类 VOA常速英语2008年(四月)

Callum: Hello, today in Talk about English we have the fifth programme in our series on culture and communication. Today Marc Beeby looks at the topic of non-verbal communication communication without language. People from different cultures speak d

发表于:2018-12-11 / 阅读(86) / 评论(0) 分类 英语讨论

澳洲流行天后 Kylie Minogue 最新MV《Crystallize》!小女孩演绎还没当歌星前的凯莉,拿着梳子对着镜子忘情歌唱,热舞。一代歌后的成长史呀,很励志的一首歌,有梦想就要去追逐。 歌词: When

发表于:2018-12-14 / 阅读(60) / 评论(0) 分类 流行英文歌曲

EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can

发表于:2018-12-16 / 阅读(74) / 评论(0) 分类 2013年VOA慢速英语(二)月

New Laser Device Helps Parkinson's Patients Walk 新激光设备帮助帕金森患者重获行走能力 Parkinsons disease slowly destroys the brains ability to control the muscles, depriving the patients of their mobility. Researchers at the Mayo Cl

发表于:2018-12-16 / 阅读(58) / 评论(0) 分类 VOA标准英语2014年(二月)

We have bigger houses and smaller families; more conveniences, but less time; we have more degrees, but less common sense; more knowledge, but less judgement; more experts, but more problems; more medicine, but less wellness. We have multiplied our

发表于:2018-12-18 / 阅读(38) / 评论(0) 分类 白领英语晨读

In 1970, the Soviet Union put a laser reflector on the moon, carried by a rover. A few months later, it disappeared. Some speculated that the rover had fallen into a crater or parked in such a way as to render the reflector inaccessible. Now after 40

发表于:2018-12-24 / 阅读(77) / 评论(0) 分类 Scientific American(四)月

The United States Navy has demonstrated a new laser weapon operating in the Persian Gulf. The Laser Weapons System, or LaWS, is deployed on the USS Ponce transport ship. A live test firing of the weapon was recently carried out for Cable News Network

发表于:2019-01-02 / 阅读(91) / 评论(0) 分类 2017年VOA慢速英语(七)月

By Jessica Berman Washington 14 June 2007 Flight controllers in Moscow have been able to establish contact with critically important computers aboard the International Space Station. The computers that control among other things oxygen and water supp

发表于:2019-01-07 / 阅读(114) / 评论(0) 分类 2007年VOA标准英语(六月)

This is All Things Considered. I'm Michelle Norris. Phone calls from Sweden woke up two American scientists this morning, John Hall and Roy Glauber. They will share the Nobel Prize for Physics with a German Researcher Theodor Haensch. All three worke

发表于:2019-01-08 / 阅读(139) / 评论(0) 分类 2005年NPR美国国家公共电台

We have bigger houses and smaller families; more conveniences, but less time; we have more degrees, but less common sense; more knowledge, but less judgement; more experts, but more problems; more medicine, but less wellness. We have multiplied our p

发表于:2019-01-08 / 阅读(47) / 评论(0) 分类 英语美文

We have multiplied our possessions, but reduced our values. We talk too much, love too little and lie too often. We've learned how to make a living, but not a life; we've added years to life, not life to years. We have taller buildings, but shorter t

发表于:2019-01-11 / 阅读(74) / 评论(0) 分类 阅读空间

The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci

发表于:2019-01-12 / 阅读(117) / 评论(0) 分类 2013年VOA慢速英语(五)月

EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: Welcome to EXPLORATIONS in VOA Special English.Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one

发表于:2019-01-12 / 阅读(86) / 评论(0) 分类 2012年VOA慢速英语(一)月

This handout illustration image created by Australia's Electro Optic Systems (EOS) aerospace company shows a view of the Earth from geostationary height depicting swarms of space debris in Low Earth Orbit (LEO), 20 Jul 2010 Australian researchers say

发表于:2019-01-13 / 阅读(70) / 评论(0) 分类 VOA标准英语2010年(七)月

Every year satellites are damaged or destroyed by objects orbiting the Earth's atmosphere. An Australian company is now using the latest laser technology to track these objects in order to reduce cosmic damage. Li Dong has the details. Even in space,

发表于:2019-01-19 / 阅读(92) / 评论(0) 分类 世界各地新闻集锦

The Cardigans-Communication For 27 years I've been trying to believe and confide in different people I found Some of them got closer than others and some wouldn't even bother and then you came around I didn't really know what to call you You didn't

发表于:2019-01-19 / 阅读(158) / 评论(0) 分类 音乐咖啡厅

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

发表于:2019-01-31 / 阅读(103) / 评论(0) 分类 VOA常速英语2007年(十一月)

Science and technology 科学技术 Solar power from space 太空太阳能 Beam it down, Scotty 老兄,传下来吧 Harvesting solar power in space, for use on Earth, comes a step closer to reality 在太空获取太阳能以供地球之用:梦想距

发表于:2019-02-16 / 阅读(83) / 评论(0) 分类 经济学人科技系列

Unit 17 第十七单元 Conversation 1 会话 1 A:Miss Sun,could you please type this report for me? A:孙小姐,请替我打这份报告好吗? B:Certainly,Mr. Baker. B:当然,贝克先生。 A:Could you please double space it so I can make co

发表于:2019-02-19 / 阅读(248) / 评论(0) 分类 巧嘴秘书情景对话
学英语单词
absolute volume
accuate
acetylacetonate
active orientation
adjusting motion
annual report of exchange restriction
aryldisilane
Aulocystis
autun
barbra joan streisands
base form
black plate for tinning
Black,Joseph
Botteri's sparrows
brenner
Brent
brightness discriminaton
caberea lata
capacity expansion investment
caraxes
casevacked
celosia
ch'ang ku wu
chief operating superintendent
communication control device
computer-controlled
delimiter line
dialogize
diazobenzene hydroxide
dicrotous
diplophyllum serrulatum (c. mull.)
elastomeric foam
energy trapping
ensign stuff
Erythrorchis altissima
eutrichosiphum (ditrichosiphum) elongatum
exchange profit and loss
existing controller
expected time of departure
featherstitches
ferroverdin
fine-lookings
fuff
functional team
Gaast
gadolinian
gilley
glucuronic acid conjugation
good hair
Grier, Mount
guantnamo
hard space suit
herlitz syndrome(lethal junctional epidermolysis bul-losa)
horse mint
in solution
induction lamp
interlobate moraine
itps
limit of alkalinity
Litsea chinpingensis
load-lifting capability
loading lag
magnetic effect of electric current
main arbor
malnourishments
methyl propargyl ether
microwave attenuative ceramics
molten-salt breeder reactor
nano-ohms
narrow band circuit
Neede
oxivor
Oxytan
para-church
parameter procedure
pawnees
periodic mode
periodic working
Perquietil
play the hog
portil
productivity level
rail cut
regosols
rupture of ligament
salicylaldehyde
San Juan de Ciénaga
schistosomus
sight tube
sleep-fucking
solenoid operated switch
solvency
steel beam
stub key
temperature-indicating instrument
third radio-medial cross vein
torsion of pregnant uterus
Trictal
uncherished
valis
vits
yotta-grams