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(259) / 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(277) / 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(284) / 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(304) / 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(236) / 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(243) / 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(226) / 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(276) / 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(329) / 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(283) / 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(293) / 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(256) / 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(265) / 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(320) / 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(298) / 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(320) / 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(332) / 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(337) / 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(308) / 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(369) / 评论(0) 分类 自然百科2012年
学英语单词
'Umikoa
adrias
alegar
alphanumeric display tube
analysable
back cut-off power recorder
be good
berry stripper
better-prepared
binary vapourengine
brat-packs
cab lining
cardioregulatory
cavity resonator wavemeter
Cefatrex
classical astronomy
composite roughness
content-neutrality
corpse road
cotextual
cotqueans
d'ltalia
data aggregation
demine
dynamic interferential electrotherapy
enfranchised
epharmosis
eternalize
fatass
Favarella
fit out
from today on
gensler
gentlewoman
genus Bairdiella
George Westinghouse
grapsus tenuicrustatus
guebuza
heal sb of a disease
heavy-duty thread
hyperintelligence
in negotiation
in someone's place
increase the par value
Ischaemum
lake typology
Lasianthus japonicus
loose joining
Massico, Mte.
maxillolacrimal suture
mennel
mossner
motor mower with center drive
MRTV
multi-culturalism
nanochains
nervus hypoglosuss
NLGI
nonfibrous tcxture
nonpreparedness
nuclear twin-probe gage
ovicides
parceller
patkai bum (patkai ra. )
Pendjari
performing rights
phenylformic acid
pisidia serratifrons
plastic corpuscle
plumped for
port jackson heaths
post-processor
psionic
quaternities
resilient contact
root canal file with long handle
Sabalamin
sea side organism (sso) disease
selenylsulfide
seymer
shenouda
shikonin
siddhapur (sidhpur)
spatial dimensions of economics
stand upon
suttling
take into care
thermal transmission coefficient
thylakoidal
took notice
trailing hook
training needs analysis
tri-sector air heater
triple link
trogocytosis
two part bearing
unionisation
valve dissipation
Vatersay, Sound of
vivency
young rice seedlings growth