音标:[,enkjui'ræst] ;
adj. 【动物学】形成(有保护作用的)外套的

The Senate now seems to be the last best hope bring the US economy from possiblely hurling off the cliff,that's after several efforts by House Speaker John Benhner to get his colleagues sign on a measure default crashed and burned today .NPR's Timmer

发表于:2018-12-17 / 阅读(105) / 评论(0) 分类 2013年NPR美国国家公共电台10月

Todd: Hey, Mark, I heard that you might be interested in buying a computer. Mark: That's right. Yeah, I'm interested in buying a Mac computer because I've never used Mac before. Todd: Well, that is actually perfect because I have two MacIntosh laptop

发表于:2019-01-11 / 阅读(153) / 评论(0) 分类 原版英语对话1000个

As International Women's Day is observed worldwide, Kenyan women gathered in Nairobi Tuesday to speak out against the police killings of their loved ones. For women around the world, the March 8 is a day to celebrate and advance the progress of gende

发表于:2019-01-14 / 阅读(143) / 评论(0) 分类 VOA标准英语2011年(三月)

ECONOMICS REPORT - Saving More for RetirementBy Mario Ritter Broadcast: Friday, March 17, 2006 I'm Steve Ember with the VOA Special English Economics Report. One of the most important questions a work

发表于:2019-01-30 / 阅读(163) / 评论(0) 分类 2006年慢速英语(三)月

Craters here stretch as far as the eye can see. Although no human has ever set foot on Mercury, we have a pretty good idea of what you would see. If you are walking around on the surface of Mercury, it will look outwardly a lot like the moon. When yo

发表于:2019-02-05 / 阅读(138) / 评论(0) 分类 自然百科2012年

Many aspects, like its geological past, are a mystery. But some things we do know, this lonely planet has a strange sense of keeping time. Once you arrive, you have to reset your watch for a time zone like no other. It has such an unusual orbit and r

发表于:2019-02-05 / 阅读(119) / 评论(0) 分类 自然百科2012年

Mercury's core makes up about 60% of the planet by mass. It's about twice as big as earth. Why would it have such a huge core for such a small planet? Some people think there was a huge impact. Kind of stripped off a lot of the planet and now what we

发表于:2019-02-05 / 阅读(113) / 评论(0) 分类 自然百科2012年

After Messenger's 3 fly-bys, we've now mapped more than 90% of the planet. Taken from around 124 miles, these images are the clearest to date of Mercury. And it's not hard to spot a crater of epic proportions, the result of yet another Titanic collis

发表于:2019-02-05 / 阅读(138) / 评论(0) 分类 自然百科2012年

Reason/ you are going to go to Mercury as a travel destination would be this night sight view because it's going to be highly unique in the solar system. You have sodium thats atoms that are streaming off and giving enough to see yellow light, so you

发表于:2019-02-05 / 阅读(129) / 评论(0) 分类 自然百科2012年

Move away from the sun, and you'd expect things to cool down a little. Venus, the picture of coolness and calm, all pale but gully-cloaked by clouds but the planet of love is shrouded in mystery-----------draw beneath her treacherous veil at your own

发表于:2019-02-05 / 阅读(139) / 评论(0) 分类 自然百科2012年

You are there, on the most exciting, nerve-shattering journey in the history of man! Fifty years ago, it was easy for us to imagine Venus, closer to the Sun and wrapped in clouds, to be our scorched, tropical sister, swarming with life. There was thi

发表于:2019-02-05 / 阅读(141) / 评论(0) 分类 自然百科2012年

And thats the first time; it was return black-and-white panoramas of the Venus surface. These images were extremely important, because it was the first time, we ,human beings had a chance to see with our naked eyes completely different other world. W

发表于:2019-02-05 / 阅读(121) / 评论(0) 分类 自然百科2012年

In 1989, the space shuttle Atlantis launches the Magellan Probe toward / Venus. After a journey of 15 months, Magellan uses radar eyes to peer through the clouds from orbit. Watching form earth is Ellen Stofan. When you have that ability to pick up a

发表于:2019-02-05 / 阅读(133) / 评论(0) 分类 自然百科2012年

And its here in a freezer that Messenger will encounter another puzzle: can ice exist on a planet so close to the sun? It's only when the first radar observations to the surface of Mercury were obtained back in the 90s that it was discovered that Mer

发表于:2019-02-05 / 阅读(192) / 评论(0) 分类 自然百科2012年

On earth, Hawaii has some of the most spectacular shield volcanoes that are very similar with the volcanoes we see on Venus. The huge gently sloped volcanoes of Hawaii may be impressive. On Venus there are at least 150 ranging from this size to ten t

发表于:2019-02-15 / 阅读(168) / 评论(0) 分类 自然百科2012年

One of the really exciting and high-level scientific interests is whether Venus is geological active today, because there are reasons to think of the clouds on Venus only exist, because there is ongoing geological activity, so this is one of the bigg

发表于:2019-02-15 / 阅读(170) / 评论(0) 分类 自然百科2012年

Congratulations, you've arrived on the hottest surface in the solar system. Here, the official temperature is eight hundred seventy degrees Fahrenheit. Day or night, equator or pole, the searing heat never varies more than a few degrees, and thats wh

发表于:2019-02-15 / 阅读(199) / 评论(0) 分类 自然百科2012年

Despite all this scientific effort, we still don't know what triggered Venus' diabolical transformation. People debated over whether Venus ever had a moon. If Venus had a satellite at one point, could that satellite eventually impacted onto the surfa

发表于:2019-02-15 / 阅读(181) / 评论(0) 分类 自然百科2012年

Valor will be tackling the acid clouds of Venus with little help from flying pan technology. This being two weather balloons are we watched Venus in the mid-1980s. This with wagon machines there were two sep balloons that the Russians put them in the

发表于:2019-02-15 / 阅读(172) / 评论(0) 分类 自然百科2012年

You never guess the dangers on the ground from orbit, except maybe for this, massive, double-barreled storms hovering above the poles. Of this, what we called dipole features trailing around, we don't know what, really what they are, but the whole fe

发表于:2019-02-15 / 阅读(198) / 评论(0) 分类 自然百科2012年
学英语单词
abutting lot
air-assisted spray
anisotropic magnetoresistance (amr) effect
anti-thyroid
area modulus
argillan
As Sālimīyah
Ash Shāmīyah
aspherical optics
automatic compression regulation
becomes of
bifumarate
block welding technique
chemoautotroph
clenbuterols
coixan
comparison level
compressor exhauster unit
continuous top dyeing
cosmeticism
crevettes
cut up the links among departments and regions
cynic spasm
deferential fold
diamond impregnated blade
direct-fired mull
echocardiologically
ectopic ossification
effects of thermal pollution
Electricity sales
eructing
external mounting
follow-on subassembly
foreign trade association
frontomedial
genus Eburophyton
Goodall
Harlech
head counter
hebei university of technology
hour counter coupling stud
hydrostatic head pressure gauge
hypocacia wenhsini
id-gate route control
increaser plant species
infarctus
khutbas
killamarshes
Knapp's tests
Konversationslexikon
Langevin, Pte.de
lateral popliteal nerve
locomotive terminal
long shunt winding
massage ball
mean ergodic
method of undetermined parameter
mineral resources
mixie
morrice
multichannel carrier path
nitride steel
nobuaki
not be in the business of sth
noticers
orthometric correction
overwide
pacas
pentenedicarboxylic acid
prance
pranotherapist
profile transformation
reciprocal function of multiple factor
rhinenchysis
safety strip
secologanin
seed-husking establishment
servo-control(device)
short circuit making capacity
siloxen
silver ion conductor
skimp and save
soil mixes in ballast
specific impulse
splintered wound
stitch-bonded fabric
storyworks
stumbles on
successfully completed call
system maximum delay
televised microscopy
top clause
tsui
unconverted reactant
unioid
Valeriana barbulata
Vedantism
wallingfords
water retaining dam
wide-angle direction
wood sorrel
yantra raja (india)