[天] 火星化学

AMERICAN STORIES - A Princess of Mars, Part Four By Edgar Rice Burroughs Broadcast: Saturday, June 25, 2005 ANNOUNCER: Now, the Special English program, American Stories. (MUSIC) ANNOUNCER: Welcome to

发表于:2018-11-27 / 阅读(447) / 评论(0) 分类 American Stories

AMERICAN STORIES - A Princess of Mars, Part Three By Edgar Rice Burroughs Broadcast: Saturday, June 18, 2005 ANNOUNCER: Now, the Special English program, American Stories. (MUSIC) Last week we broadca

发表于:2018-11-27 / 阅读(576) / 评论(0) 分类 American Stories

Astronaut: Light gray, material on either side. Oh man that's incredible... It seemed to back in the late 60s and early 70s as if America would be a space bearing nation. Plans were big, first the moo

发表于:2018-11-28 / 阅读(315) / 评论(0) 分类 疯狂英语2001年

EXPLORATIONS - Mars Exploration, Part 2 By Paul Thompson Broadcast: Wednesday, February 04, 2004 (THEME) VOICE ONE: This is Shirley Griffith. VOICE TWO: An artists picture of a Mars Rover vehicle. And

发表于:2018-12-01 / 阅读(238) / 评论(0) 分类 Explorations

EXPLORATIONS - Mars Exploration, Part 1 By Paul Thompson Broadcast: Wednesday, January 28, 2004 (THEME) VOICE ONE: This is Faith Lapidus. VOICE TWO: An artist's picture of Mars Rover Spirit. And this

发表于:2018-12-01 / 阅读(241) / 评论(0) 分类 Explorations

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(186) / 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(176) / 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(180) / 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(204) / 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(198) / 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(191) / 评论(0) 分类 火星生命

As It Is - Remember Your Chemistry Classes? An international team of researchers recently reported creation of a new element that is 40 percent heavier than lead. The researchers successfully developed what they are calling Element Number 117 at a la

发表于:2019-01-03 / 阅读(215) / 评论(0) 分类 2014年VOA慢速英语(八)月

Stunning 'Postcard' Sent from Mars The U.S. Spirit spacecraft has sent its first color postcard from Mars. It is the sharpest image ever taken of Mars or any other planet. The image from the color pan

发表于:2019-01-04 / 阅读(158) / 评论(0) 分类 VOA2004(上)--各类新闻

By Paul Thompson Broadcast: September 17, 2003 (THEME) VOICE ONE: This is Phoebe Zimmermann. VOICE TWO: And this is Richard Rael with the VOA Special English program EXPLORATIONS. The planet Mars came

发表于:2019-01-04 / 阅读(179) / 评论(0) 分类 VOA2003(下)-美国人文故事

Having the opportunity to take on a diverse range of classes such as economics and chemistry along with her music studies is the perfect combination for Diane. Marsha James | Washington DC 10 August 2010 Oberlin Conservatory of Music Student Diane Ly

发表于:2019-01-13 / 阅读(186) / 评论(0) 分类 VOA标准英语2010年(八)月

This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz

发表于:2019-01-17 / 阅读(205) / 评论(0) 分类 2016年Scientific American(十)月

LOS ANGELES, May 25 (Xinhua) -- NASA project managers bade farewell to the Mars rover Spirit on Wednesday after sending a final set of commands to the stranded vehicle. This marks the completion of one of the most successful missions of interplanetar

发表于:2019-02-03 / 阅读(116) / 评论(0) 分类 英语新闻

By Tom Rivers London 07 October 2009 Ada Yonath (file photo) Two Americans and one Israeli share this year's Nobel Prize in Chemistry for their work showing how the DNA code is translated into life itself. Americans Venkatraman Ramakrishnan and Thom

发表于:2019-02-03 / 阅读(196) / 评论(0) 分类 VOA标准英语2009年(十月)

By Kevin Billinghurst Stockholm 10 October 2007 The 2007 Nobel Prize for Chemistry has been awarded to Gerhard Ertl of the Max Planck Society in Berlin. Kevin Billinghurst has the story from Stockholm. The Royal Swedish Academy of Sciences honors Pr

发表于:2019-02-04 / 阅读(195) / 评论(0) 分类 2007年VOA常速英语(十月)

A Japanese and a pair of American scientists captured this year's Nobel chemistry prize for discovering a glowing green protein in jellyfish that can be used to spot the beginning of diseases like cancer. Lisa Bryant has more on the prestigious awar

发表于:2019-02-06 / 阅读(177) / 评论(0) 分类 VOA标准英语2008年(十月)
学英语单词
acute myocarditis
adjusted solution
aggressiveness species
American winterberry
antiparamagnon
at this writing
automatic spinner
back piston
barshatas (chubartau)
bassia butyracea
blue jokes
Bonealfa
breaded
breaker point wrench
Butylcinnamylpyrazine
C. R. E.
cam shaft timing indicator
cap jewel
cardiogenic pulmonary edema
caterpillar-tractor
cena
cholinesterases
Cirsium glabrifolium
come between someone
constant growth model
cordiment crops
craniomedially
crawl to
daniel patrick moynihans
dead-tired
demoralizers
Dendrocnide sinuata
dynamic photo-point check
earthed with equipment bedplate
edison electrode process
energysolutions
exchange at par
extragalactic matter
flag and second leaf length
floating booster
for future reference
forces in the roll throat
freeze-off time
fumbles
Glenbeg
gravamen
gross and composite method
half-listeneds
hexose isomerase
honi
Hottentot fig
hydrostatic organ
idealizations
internal exergy dissipation
Isopyratsin
kleptoparasitism
lagging effect
Land-carrying capacity
life saving station
load up on
main crosshead
marbels
mcalarney
Methaminodiazepoxide
military agreement
monacid base
nationalist leaders
naughty bits
neore
Nivshera
nombre
nonmeltable
nonpretentious
obstetricy
one with another
onyali
pluriactivity
posting medium
press fitting
prestness
propargyl chloride
proteometabolic
pulling back
quadriversal
recurrent events
Sears-Roebuck
self-recording accelerometer
semantic move
sensillar esterase
sethence
shooting irons
Sibago I.
simple mycorhiza
soft stratum
soft teeth
torce
uncorrelated random erros
Vibrionales
visual island
work-distribution chart
zarei