假定平行线

Music: Andrew Lloyd Webber. Lyrics: Charles Hart, Richard Stilgoe, Mike Batt Vocal: Sarah Brightman nbsp; In sleep he sang to me In dreams he came That voice which calls to me And speaks my name And d

发表于:2018-11-28 / 阅读(204) / 评论(0) 分类 疯狂英语2001年

Conditions on Mars were so harsh that it was hard to imagine any life surviving there. The idea of sophisticated aliens was wiped out. We know that conditions on Mars today are not very good for life.

发表于:2018-12-07 / 阅读(134) / 评论(0) 分类 火星生命

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(159) / 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(127) / 评论(0) 分类 火星生命

In 2001 a new NASA probe was launched. Called Odyssey, it was sent to Mars to carry out the most detailed analysis ever of the planet’s surface. What it has discovered may be about to answer one of

发表于:2018-12-07 / 阅读(120) / 评论(0) 分类 火星生命

But even if there had been water, life doesn't start overnight. Even a simple microbe is the product of complex chemical systems that take millions of years to evolve. Had the water lasted long enough

发表于:2018-12-07 / 阅读(118) / 评论(0) 分类 火星生命

Rice had seen the same thing in Iceland, one of the few places on Earth with similarities to Mars. It too is extremely cold, and most of the water is frozen into glaciers. And also like Mars, buried u

发表于:2018-12-07 / 阅读(150) / 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(156) / 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(145) / 评论(0) 分类 火星生命

'Deepwater Horizon' Honors The Sacrifice Without Sacrificing The Action play pause stop mute unmute max volume 00:0003:02repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update you

发表于:2018-12-18 / 阅读(119) / 评论(0) 分类 2016年NPR美国国家公共电台10月

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(138) / 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(156) / 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(145) / 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(167) / 评论(0) 分类 火星生命

But they never got there. The first disappeared into deep space. Another missed its target when its coordinates were confused. One NASA control center was working in metric, the other in feet and inch

发表于:2019-01-02 / 阅读(176) / 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(171) / 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(158) / 评论(0) 分类 火星生命

I. Impasse of Thoughts I can't see you, I can't hear you Do you still exist? I can't feel you, I can't touch you, Do you exist? The Phantom Agony I can't taste you, I can't think of you, Do we exist at all? II. Between hope and despair The future doe

发表于:2019-01-10 / 阅读(126) / 评论(0) 分类 英文摇滚歌曲

RACHEL MARTIN, HOST: Eight years ago today, an explosion on the Deepwater Horizon drilling rig killed 11 people and led to a massive oil spill in the Gulf of Mexico. The accident prompted big changes in how the country regulates offshore drilling. No

发表于:2019-01-16 / 阅读(147) / 评论(0) 分类 2018年NPR美国国家公共电台4月

金属:Epica - The Phantom Agony 相关介绍 :Epica是荷兰的一支交响金属,哥特金属乐队。创立于2003年。其官方网站是www.epica.nl,这是一个交响力量团,一般力量乐队的都带史诗的感觉,尤其是交响力

发表于:2019-02-18 / 阅读(119) / 评论(0) 分类 英文摇滚歌曲
学英语单词
Alesd
amant
APETON
aphrophorid
arrantest
arsenide
average value of a probability distribution
azuma asobi (japan)
bathyclupea argentea
be cut out of
big day
BOA,B.O.A.
Brown Curtis turbine
bulpitt
busy oneself about
cactaceous
Cal-Mex
calibration factor of the primary device
catch-line
cell denaturation
cerebral arteriosclerosis
Chytridium
climatographic
coagulating tank
coffee pots
colour-coded cable
concrete conveying pipe
congenital heart defect
cranked frame trailer
crime of endangering peace
crystalline size
culicoides (avaritia) wadai
depreciation-production method
dihydrothebaine
dry powder bonding
E number,E-number
ethyl cyanamide
flavonolignans
fractional period
gemellus (pl. gemelli)
hannayite
hmg-coa reductases
imperati
insulation life
internal pause
irresistibleness
jaspure
ladle stand
laminated lime
Laser cutting for SMT stensil
lawl
liberal spirit
limiting modulus
main-courses
maximum continuous duty
midspindle elongation
money bird
monolectic
moonwidths
Morinda parvifolia
north northeast (nne)
obesely
occidual
opals
orchestra box
oscillating mirror
osmo-hemolysis
owner of property
peak viewing time
pecentage of meter accuracy
pleading
polysulphides
Port Adventure
ramiram
rawer
reflexive lattices
Rhacophyllus form
ring nozzle chest
rubidine
saavedra
sales price prediction
satellite telemetry automatic reduction system
sealed liner shell assembly
seedling stump
shellheap
ship axes
silverbacks
Sorφ
Sparicon
specific surface tester of sand
split dose
store-and-forward network
sweep frequency oscillator
telephotographic map
test absorption
thyristorized supply
turn-out
upcatch
vagina externa (fasciculi optici)
vector gauge
ventilating raise
wash baskets