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Several years ago, Iris Arc Crystal, a company I co-founded with Francesca Patruno, experienced a 1)lull in business. We had recently hired several new employees and hoped that the 2)slowdown was only

发表于:2018-11-28 / 阅读(284) / 评论(0) 分类 疯狂英语2001年

Archaeology is a source of history, not just a bumble auxiliary discipline. Archaeological data are historical documents in their own right, not mere illustrations to written texts, Just as much as an

发表于:2018-12-01 / 阅读(148) / 评论(0) 分类 新东方背诵文选

These discoveries raised the stakes. Here was a planet similar to our own. Mars might not have cities or civilizations. But it could be home to other smaller life forms like microbes. Chris McKay is N

发表于:2018-12-07 / 阅读(100) / 评论(0) 分类 火星生命

I think it is exciting. Because it would imply that if life arose independently on Mars. The implication is that life is pervasive throughout the universe. This is why Mars has so obsessed scientists.

发表于:2018-12-07 / 阅读(74) / 评论(0) 分类 火星生命

For Mars to have rivers, it must once have had streams, rain, clouds and an atmosphere, a planet just like the Earth today-if these were rivers. They had to be sure. The answers would come in 1998 wit

发表于:2018-12-07 / 阅读(90) / 评论(0) 分类 火星生命

William Boynton is professor of planetary sciences at the University of Arizona. And he's dedicated his life to looking for water on Mars. The link between life and water is very strong. Even here in

发表于:2018-12-07 / 阅读(94) / 评论(0) 分类 火星生命

VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Doug Johnson. VOICE TWO: And I'm Mario Ritter. Today, we will tell about the two thousand nine Nobel Prizes for discoveries in science. We also will tell about progress against acqui

发表于:2018-12-15 / 阅读(192) / 评论(0) 分类 VOA慢速英语2009年(十二)月

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-25 / 阅读(132) / 评论(0) 分类 英语说遍全球文化

Several years ago, Iris Arc Crystal, a company I co-founded with Francesca Patruno, experienced a 1)lull in business. We had recently hired several new employees and hoped that the 2)slowdown was only temporary. However, in the meantime, we had work

发表于:2019-01-02 / 阅读(181) / 评论(0) 分类 精美英文欣赏

Of course, any terraforming is still a long way off. The next few expeditions to Mars will definitely be made by machines. NASA, are sending 2 rovers, capable of travelling over 100 meters a day in se

发表于:2019-01-02 / 阅读(83) / 评论(0) 分类 火星生命

Well, hearing that Odyssey had found subsurface water on Mars was enormously exciting for somebody who is involved in planning to send humans to Mars. Water has a number of important uses for us. At t

发表于:2019-01-02 / 阅读(106) / 评论(0) 分类 火星生命

Life on Earth is basically proteins and DNA, so we can wonder if there is life on Mars will also be DNA and proteins, the same type of DNA, the same type of proteins. One might think that DNA is such

发表于:2019-01-02 / 阅读(93) / 评论(0) 分类 火星生命

But there was something even better. Odyssey may not just have found ice. There may also be liquid water, and that means, there could be living creatures there too. Right now, there might be liquid wa

发表于:2019-01-02 / 阅读(109) / 评论(0) 分类 火星生命

The ground here is permafrost, a mixture of soil and ice frozen together. A group of Russian scientists have teamed up with NASA to drill down into it in search of microorganisms. It's work that's bee

发表于:2019-01-02 / 阅读(106) / 评论(0) 分类 火星生命

One of these wavelengths corresponds to hydrogen, another wavelength would be iron. Another wavelength would be oxygen. And so you go to the part of the spectrum you are interested in and you see you'

发表于:2019-01-02 / 阅读(100) / 评论(0) 分类 火星生命

SCIENCE IN THE NEWS -July 2, 2002: Space Shuttle Flights Halted / Researchers Study Icelanders' Genes / Another Reason to Eat Green, Leafy Vegetables Broadcast: July 2, 2002 VOICE ONE: This is Steve E

发表于:2019-01-07 / 阅读(92) / 评论(0) 分类 科技之光

BOB DOUGHTY: This is SCIENCE IN THE NEWS in VOA Special English. Im Bob Doughty. FAITH LAPIDUS: And Im Faith Lapidus. Today we tell about the latest research and treatments for Parkinsons disease. (MUSIC)BOB DOUGHTY: Parkinsons is a disease of the ce

发表于:2019-01-12 / 阅读(85) / 评论(0) 分类 2010年VOA慢速英语(十一)月

SCOTT SIMON, HOST: Joan of Arc has become such an emblematic figure - a saint of the Catholic Church, the inspiration of so many novels and films and, of course, George Bernard Shaw's iconic play. We might sometimes forget she was a real teenage girl

发表于:2019-01-17 / 阅读(100) / 评论(0) 分类 2018年NPR美国国家公共电台10月

唐顿庄园第一季第四集_2 [INT. KITCHENS - DAY] ANNA Ugh. MRS PATMORE You've got a cold, I want you out of here. MRS HUGHES Anna, there you are. You know I'm out tonight, because I don't want to come home to any surprises. MRS PATMORE (laughs)

发表于:2019-01-29 / 阅读(531) / 评论(0) 分类 唐顿庄园第一季

英文歌词: Car crashes, TV shows A drunkard on the side of the road People running (running) Fantasy or reality Analysis and theories What does matter really? Tell me what to believe Won't you bring me order Tell me what to achieve Baby, so I can mov

发表于:2019-02-03 / 阅读(121) / 评论(0) 分类 音乐咖啡厅
学英语单词
1489-RB
abstract representation
accepted limit
Acer stenolobum
aethylis acetas
air-run landing
airplane span
analog-digital-analog conversion
Anbocaine
armament datum line (adl)
automatic directory
Berthollet
boiler bracket
boorga
boxer briefs
case-history
chemical carrying ship
Cloquet's ganglion
common object request broker architecture
constricted furnace
crack-stopping
crankshaft pulley hub
database key
deterministic topdown grammar
development and growth
diazirine
discolouring agnet
double and twist wrapping
draw out a list
ear capsule
ejection arm
Elatia
Embelia subcoriacea
eyelidded
fault time
fell out
fiabby
fiber optic faced vidicon
finca
finite and infinite games
Frequency tolerance.
functional digraph
growth and maintenance
gullis
haqqi
hydrolization
i-worsed
image manipulation
impinging on
inverse nuclear reactions
job time report
Kalapooian
kikuchi diffraction
lactobacillus arabinocus
least significant digit (lsd)
lengthening of chordae tendineae
levchenko
lift-improvement device (lid)
ligamentomuscular
liken-type
lingards
llanybydder
lozoya
magazine rail
marginal value vector
matthew walker knots
mesoporous catalyst
mineral balance
mounanaite
mountainsides
muon capture
Nodus lymphaticus fibularis
pecke
plainspeople
politicas
posterior labial artery
prologomena
relative cumlative frequency table
retaining grid
reversible inversion
reversing rotation of motors
rimers
sanasthmy
screen reflector
self-maintained push-button
spirally-wound tubes
squeeze riveter
stramonium tincture
structure determination
subfamily Gerbillinae
subport attribute
super-range rocket
tee rail
triaxial stress state
unconstrainted
unfermented pomace
unification of law
unit program
validity of assumptions
water-bearing deposit(s)
weard
world food crisis