天蚕蛾总科

Our history and our culture have come about because a lot of ordinary people have done some really terrible jobs. And our traditional Christmas is no exception. However dreadful it's been, having to d

发表于:2018-12-07 / 阅读(141) / 评论(0) 分类 圣诞特辑

Words and Their Stories: Water Expressions Now, the VOA Special English program WORDS AND THEIR STORIES. Expressions about water are almost as common as water itself. But many of the expressions using water have unpleasant meanings. The expression to

发表于:2018-12-16 / 阅读(102) / 评论(0) 分类 2011年VOA慢速英语(五)月

GUY RAZ, HOST: It's the TED Radio Hour from NPR. I'm Guy Raz. And on the show today - ideas about transparency. So just think about your bosses for a second. (SOUNDBITE OF FILM, OFFICE SPACE) GARY COLE: (As Bill Lumbergh) I'm going to need you to go

发表于:2018-12-17 / 阅读(141) / 评论(0) 分类 2017年NPR美国国家公共电台12月

Fog Found on Saturn's Moon Titan A study in Astrophysical Journal Letters reveals that Titan may be home to the familiar atmospheric condition known as fog--but made out of methane. Karen Hopkin reports The northeast just had its first big snow of th

发表于:2019-01-02 / 阅读(130) / 评论(0) 分类 60秒科学

By Jessica Berman The U.S. space agency has released the first close-up pictures of Titan, Saturn's secretive, giant moon. Photos from the international Cassini spacecraft show the orbiting object shr

发表于:2019-01-03 / 阅读(111) / 评论(0) 分类 VOA2004(下)--健康科技

By David McAlary The U.S. Cassini spacecraft orbiting Saturn has found evidence that the giant planet's dazzling rings are decaying and may eventually be gone. And the rings are dirtier than thought,

发表于:2019-01-03 / 阅读(134) / 评论(0) 分类 VOA2004(下)--健康科技

By Paul Sisco Washington 19 March 2008 The planet Saturn has long fascinated astronomers because of its distinctive rings and multiple moons. NASA's Cassini spacecraft visited one of Saturn's moons last week, collecting samples, data and pictures of

发表于:2019-01-11 / 阅读(91) / 评论(0) 分类 VOA标准英语2008年(三月)

Everyone is familiar with the rings of Saturn. But what would you highlight if it were you sending back the postcards? Every tour itinerary has one main attraction. With Saturn, you just can't miss the rings. As imaging team leader for Cassini, Carol

发表于:2019-01-22 / 阅读(96) / 评论(0) 分类 自然百科2012年

And the icy grains on the Saturnian beaches are washed by passing traffic. When a moon comes by, it creates a wake just like a motor boat creates a wake that goes behind it. And I kind of imagine the ring particles doing an intricate cosmic dance aro

发表于:2019-01-22 / 阅读(104) / 评论(0) 分类 自然百科2012年

Saturns apparently peaceful appearance is due to a haze of high level ammonia in the upper atmosphere, by looking deep into Saturn in the infrared, using the planets own internal heat as a light source, Cassini has revealed the planets true nature. T

发表于:2019-01-22 / 阅读(92) / 评论(0) 分类 自然百科2012年

We are interested in studying seasonal changes on Saturn, because of its extremes affected the rains. Already we know the sky was blue, when the northen hemisphere came out of the shadow and it's now turn sort of pinkish yellowish, hazy color, becaus

发表于:2019-01-22 / 阅读(112) / 评论(0) 分类 自然百科2012年

Heres the surprise entry into search for life, this little moon that youd expect to be pretty dead and dull, and coming out of the South Pole of it is a jet of water ice, all the things you need for life are there. Theres an energy source, theres a w

发表于:2019-01-22 / 阅读(104) / 评论(0) 分类 自然百科2012年

Cassini has solved the mystery of how at least one of Saturn rails' formed, and this may help solve the bigger mystery of life beyond Earth, * may be the hottest ticket in town, but don't overlook the heavy weight container for the titan lovemoon wit

发表于:2019-01-22 / 阅读(108) / 评论(0) 分类 自然百科2012年

Hopes and dreams of thousands of scientists and engineers are resting on the next few moments. Weve been to Saturn twice before with the voyager I and voyager II spacecraft. But rather than these quick Kodak moments, we want to take a nice long leisu

发表于:2019-01-22 / 阅读(109) / 评论(0) 分类 自然百科2012年

Saturn might be the second largest planet in the solar system, but like gas giant neighbor Jupiter, its a triumph of show over substance. Saturn, first of all is a big giant gas ball, actually its a big giant ball of fluid, and the outer parts of it

发表于:2019-01-22 / 阅读(99) / 评论(0) 分类 自然百科2012年

Imagine boarding a flight to Saturn, what would you need to know before traveling? The best ringside vantage points? The must-see moons? Think of this as your personal guide to the splendor of the Saturnian system. A wandering spot of light twice as

发表于:2019-01-22 / 阅读(113) / 评论(0) 分类 自然百科2012年

With Saturn's 62 known moons, Cassini finds itself in good company without of this world photo opportunity to make even a seething professional gasp. Saturn is the most photogenic planet in all the solar system, so I just, you know, I mean, you could

发表于:2019-01-22 / 阅读(108) / 评论(0) 分类 自然百科2012年

The Prime Meridian(本初子午线) here is the longitude, the mark on the ground, from which all great voyages are measured. This is the view back to our remarkable home planet/ that the first human out here can look forward to, a distant blue dot l

发表于:2019-01-22 / 阅读(111) / 评论(0) 分类 自然百科2012年

No planet beats Saturn for jaw-dropping beauty. Saturn is the most photogenic planet in all the solar system. Some of the pictures are to die for. But the postcards only tell part of the story. Beauty is only skin deep. It really is rolling and seeth

发表于:2019-02-02 / 阅读(120) / 评论(0) 分类 自然百科2012年

Employee-Management Relations Facing Business Challenges at Saturn Negotiating a Radically New Contract Richard LeFauve of General Motors and Donald Ephlin of the United Auto Workers (UAW) had been ad

发表于:2019-02-07 / 阅读(182) / 评论(0) 分类 实用英语
学英语单词
Acanthopagrus
Acrothele
adh dhayuf (al baithah)
Aldous Huxley
arachidonic acid
Ardatovskiy Rayon
arynes
asthenia gravis hypophyseogenea
beget
Bellona Reefs
Biddle,John
Blueshirt
bulker
camphill
catnaps
cellars
chainwheel
comostola cedilla
Confederate rose mallow
crumbing
desination point
dill ?
direct evidence
distro
dog's tooth violet
dronepipe
droplets
eductino
epicycloidal wheels
epoxy-resin
f-m stereophonic broadcast
fieldnotes
formyltetrahydrofolate
Forward trade
free mine
general information system
guide seam
happy house
have a short vogue
heptadecad
Hong Kong Insurance Institute
hysterrhaphy
idropranolol
indoor humidity
inner cage
inter-related sets
Knockowen
Labyrinthus vestibularis
leather bowl
lignitic
linguistic approach
Lithocarpus laetus
mercurialis perenniss
mesomorphic physique
metafictionality
misestimation
Monomeria
netload
neuclear propulsion
nevax
no longer in service
non-bidding units
optimum consumption
out of press
overlap Y
ownership of movable
Pentecost
peripheral epithelioma
prodigality
quartering punishment
racemic crystal
reactive flame retardant
reception line
red stock
rejudges
relapsers
remain indifferent in a dispute
renumbered
seed crystal
sensulatu
shit yourself
sledding
snapping off
stop-cylinder press
Sub-Carpathian Rus
subscapular artery
surplus-value
Swanley
tajassus
tapered tilting concrete mixer
thermostactics
unshadowing
valves of foramen ovale
vanguard technology
vein rock
ventrite
volatile alkali
wevesterte
Whitman's Sampler
woodpecker
year-longs
yeongsan-do (east i.)