日焰效应

Scientists Improve Space Weather Forecast Accuracy 科学家改进空间天气预报准确性 At one time, scientists thought the space between Earth and Sun was a vacuum . But we now know that the su

发表于:2018-11-29 / 阅读(219) / 评论(0) 分类 VOA2005(下)--环境科学探索

It sits a million miles away from the Earth 它位于距地球一百万里处的 at the Lagrangian point 拉格朗日点 where the gravitational pull from the Earth and the sun is equal. 此处地球和太阳的引力相等 Fixed in space it has an u

发表于:2018-12-07 / 阅读(175) / 评论(0) 分类 太阳科普

And after a while a pattern emerged. 久而久之,人们就归纳出一个模式 If you observe sun spots over several years, 若连续观察太阳黑子好几年 they come and go with an about an eleven year cycle. 会发现它们约每隔11年会周

发表于:2018-12-07 / 阅读(184) / 评论(0) 分类 太阳科普

By Nancy Steinbach Broadcast: November 19, 2003 This is Phoebe Zimmermann with the VOA Special English Health Report. When scientists want to test the effectiveness of a new drug, they usually divide

发表于:2018-12-15 / 阅读(154) / 评论(0) 分类 VOA2003(下)-环境与健康

Solar Eclipse in 1097 May Be Rock Carving Subject 古代雕刻记载天文景观 More than 900 years ago, the Pueblo people were thriving in New Mexicos Chaco Canyon. While they were there, the region experienced what the whole country is looking for

发表于:2018-12-24 / 阅读(133) / 评论(0) 分类 2017年Scientific American(八)月

While you were going about your day on February 24th of this year, the sun was ejecting a massive jet of particles into space. This phenomenon is known as a CME, a coronal mass ejection and they often come after a solar flare. Luckily for us on earth

发表于:2018-12-28 / 阅读(101) / 评论(0) 分类 轻松英文阅读

The auroras dancing displays of celestial light 在天空中熠熠生辉的极光 are caused by particles from the solar storm smashing 是太阳风暴夹带的微粒 through the magnetic field at the poles. 撞击地球两极磁场的结果 When the

发表于:2019-01-02 / 阅读(203) / 评论(0) 分类 太阳科普

DEVELOPMENT REPORT – How to Make a Solar Water Heater By Gary Garriott Broadcast: Monday, November 29, 2004 I'm Gwen Outen with the VOA Special English Development Report. Solar water heaters save o

发表于:2019-01-02 / 阅读(239) / 评论(0) 分类 农业与发展

By Noel King Kigali 25 September 2007 Tensions are growing in eastern Democratic Republic of Congo, amid ongoing clashes between forces loyal to dissident General Laurent Nkunda and the Congolese army. But a United Nations military spokesman said Tue

发表于:2019-01-07 / 阅读(159) / 评论(0) 分类 2007年VOA标准英语(九月)

-Im Chris Kaufman and I here with Justin Kasper, who works at Smithsonian, hes an astrophysicist at the Smithsonian. And he's won a project thats gonna launch a probe at the sun, specifically the Solar Wind Electrons Alphas and Protons investigation,

发表于:2019-01-07 / 阅读(161) / 评论(0) 分类 万花筒2013年

By Heda Bayron Zamboanga del Norte, Philippines 16 July 2007 House with solar panel unit in Patagan Electricity has yet to reach hundreds of far-flung villages in the Philippines. But a solar energy system project for the country's remote villages is

发表于:2019-01-11 / 阅读(183) / 评论(0) 分类 2007年VOA标准英语(七月)

By Paul Sisco Washington, D.C. 19 July 2007 Silicon Valley in northern California originally referred to the corporate homes of silicon chip innovators and manufacturers, and the high tech businesses in the San Francisco Bay area. Today that region i

发表于:2019-01-12 / 阅读(227) / 评论(0) 分类 2007年VOA标准英语(七月)

By Katherine Cole Washington 25 July 2007 The city of Taos, New Mexico, was known as the Solar Capitol of the World long before then-Governor Gary Johnson officially made that declaration in 1997. The high desert altitude of over two kilometers and c

发表于:2019-01-12 / 阅读(210) / 评论(0) 分类 2007年VOA标准英语(七月)

Disagreements Flare at Euro Summit French President Nicholas Sarkozy and British Prime Minister David Cameron have clashed at emergency meetings on the euro in Brussels. It comes as Members of Parliament in Britain debate a motion calling for a refer

发表于:2019-01-14 / 阅读(117) / 评论(0) 分类 VOA标准英语2011年(十月)

India seems to excel at making things smaller and cheaper. The $2,500 car and the $35 computer are just two of the country's latest innovations. Now, India increasingly is focused on low-cost solar technology. The front lines of that effort are seen

发表于:2019-01-14 / 阅读(150) / 评论(0) 分类 VOA标准英语2010年(十)月

2.WELCOME TO THE SOLAR SYSTEM 2.欢迎来到太阳系 Astronomers these days can do the most amazing things. If someone struck a match on the Moon, they could spot the flare. From the tiniest throbs and wobbles of distant stars they can infer the siz

发表于:2019-01-29 / 阅读(158) / 评论(0) 分类 万物简史

By Robert Berger Jerusalem 14 December 2007 Violence has erupted between rival Palestinian factions in the Gaza Strip. As Robert Berger reports from VOA's Jerusalem bureau, the newest outbreak underscores deep ideological differences two days after t

发表于:2019-01-31 / 阅读(116) / 评论(0) 分类 VOA常速英语2007年(十二月)

By Paul Sisco Washington 22 October 2007 Twenty college and university teams from around the world competed inthe recentSolar Decathlon that is held every two years in Washington, D.C. The U.S. Energy Department sponsors the event, and this year's wi

发表于:2019-02-04 / 阅读(146) / 评论(0) 分类 2007年VOA常速英语(十月)

今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示,Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革,但是又担心改革可能带来的副

发表于:2019-02-05 / 阅读(157) / 评论(0) 分类 英语每日一词

Even after stripping out the more crackpot notions there are still more theories for what caused the extinction events than there have been events. 即使去掉了不大切合实际的观点以后,解释灭绝事件原因的理论依然多子事件本

发表于:2019-02-17 / 阅读(123) / 评论(0) 分类 万物简史
学英语单词
adsorption flow
ageing otolith
alpha-neutron reaction
anisotropic gain
ar rubad
B.f.s.l
bathochromic group
be heavier than air
blopsy
brimmingly
burst cartridge detection equipment
callitrichia formosana
canopy jettison
cartesianisms
cauterisations
ceca
cerago
circulating water discharge block
civilist
cobyrinamide
cohomology of semi-simplicial complex
coil turning device
combustion wind tunnel
commercialized society
company store
DC noise
derwin
elastically built-in end
episymploce sundaica
equation of compatibility
film air separation plant
forseen
freerun
fuse with
gametokinetic hormone
gas well
grain growth inhibition
Guyon's isthmus
HA antigen
Hempel paradox
hoisting installation
hot metal sample
Indigofera esquirolii
inherent weakness failure
iron-pot furnace
Islamness
jodhpur boot
Kofa Mountains
Lemofloxacin
limitation of liability rule
lower sideband upconverter
Luz-St-Sauveur
mammee trees
medium accelerator dosage
millimeter-wave
Minh Son
mode-locking technique
modificational
Moloney
moor fowl
mulvenna
non dimensional stability
nun-buoy
offensive hand grenade
oscillation burning
oxyhaemochromogen
palmoplantar keratoderma with periodontosis
paupa labor arguments
payroll requisition
personal revenue
poop house
population regression model
posit
power of regeneration
Prairie Provinces
presenility
preservationist
prosop-
q-ary code
raw material silo
receptor destroying enzymes
rindi
rostriform
Salmonella ammoniae
semidocumentaries
Sergeyeva, Mys
shouks
sling fruit
space domain
speelman
spin chamber
stochasticism
straddles
styolyl diacetate
tail of stochastic process
the Merc
thiacycloheptatriene
time interval for two meeting trains at station
triaminotriphenyl
Web cluster
wipe-joint
wricks