表面科学

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Beauty is only skin deep. And the beauty of shiny white teeth is even less deep. Because a new study shows that fluoride forms a thinner protective shiel

发表于:2018-12-02 / 阅读(170) / 评论(0) 分类 Scientific American(十二)月

Water on the Moon Studies in the journal Science report that instruments on three different spacecraft have found evidence for widespread trace amounts of water on the moon. Karen Hopkin reports For all you space buffs who like to keep track of wher

发表于:2018-12-07 / 阅读(139) / 评论(0) 分类 60秒科学

SCIENCE IN THE NEWS - Plate Tectonics By Marilyn Christiano Broadcast: Tuesday, February 17, 2004 (THEME) VOICE ONE: This is Science in the News, in VOA Special English. I'm Sarah Long. Graphic Image

发表于:2018-12-07 / 阅读(159) / 评论(0) 分类 科技之光

MICHEL MARTIN, HOST: Mars is about to get a new visitor from Earth tomorrow. If all goes well, a NASA probe called InSight will land near the Martian equator. Its mission is to study the interior of the planet. But, before it can carry out its missio

发表于:2018-12-18 / 阅读(132) / 评论(0) 分类 2018年NPR美国国家公共电台11月

This is Scientific American's 60-Second Science, I am Steve Mirsky, got a minute? You are pulling the tape off the roll and it starts to tear, or you are moving wallpaper and it refuses to strip off in strips or in what may be the most infuriating ca

发表于:2018-12-24 / 阅读(138) / 评论(0) 分类 Scientific American(三)月

地道美语听力播客English as a Second Language Podcast (ESLPod),是一家位于美国加州洛杉矶的英语教育研究机构推出的英文听力会话,于2005年7月23日首播, 主播Dr. Jeff McQuillan为南加州大学的语言学博士

发表于:2019-01-01 / 阅读(142) / 评论(0) 分类 地道美语播客

SCIENCE IN THE NEWS - Mars Once Had Moving Plates Like Earth Has Now By Katherine Gypson, Cynthia Kirk and Karen Leggett Broadcast: Tuesday, November 08, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE

发表于:2019-01-02 / 阅读(96) / 评论(0) 分类 科技之光

By David McAlary Washington 10 March 2006 Mars Reconnaissance Orbiter Another U.S. spacecraft has begun orbiting Mars to study the red planet in unprecedented detail. The Mars Reconnaissance Orbiter w

发表于:2019-01-07 / 阅读(170) / 评论(0) 分类 2006年VOA标准英语(三月)

This is Scientific American's 60-second Science, I am Karen Hopkin. This'll just take a minute. Methane is a greenhouse gas that traps heat even better than carbon dioxide. It comes from a variety of sources, including fossil fuel production and even

发表于:2019-01-08 / 阅读(125) / 评论(0) 分类 Scientific American(七)月

FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Faith Lapidus. STEVE EMBER: And I'm Steve Ember. Scientists who study the Earth tell us that the continents and ocean floors are always moving. Sometimes, this movement is violen

发表于:2019-01-11 / 阅读(180) / 评论(0) 分类 2011年VOA慢速英语(一)月

SCIENCE IN THE NEWS - The Moving Story of Plate Tectonics FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. Im Faith Lapidus. BOB DOUGHTY: And Im Bob Doughty. Scientists who study the Earth tell us the continents and ocean floors ar

发表于:2019-01-12 / 阅读(157) / 评论(0) 分类 2012年VOA慢速英语(一)月

Are we alone ?And it ties into all the big questions: how do we get here ? where are we going ?Are we a part of a bigger picture? But for the longest time ,the question was taboo to science . Before the Mid-1990s ,it was considered somewhat embarassi

发表于:2019-01-22 / 阅读(117) / 评论(0) 分类 自然百科2010年

The National Oceanic and Atmospheric Administration (NOAA) confirms that some of the oil escaping from that ruptured well in the Gulf of Mexico is staying beneath the surface, raising new environmental concerns about the disaster. BP says there is no

发表于:2019-01-30 / 阅读(149) / 评论(0) 分类 VOA标准英语2010年(六)月

Climate change negotiators from 173 countries have agreed on an agenda after days of bickering over the scope of talks left little time for substantive discussions. The disagreement highlighted deep divisions between developing and rich countries on

发表于:2019-01-30 / 阅读(151) / 评论(0) 分类 英语新闻

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Steve Ember. Scientists who study the Earth tell us that the continents and ocean floors are always moving. Sometimes, this movement is violent and mig

发表于:2019-01-31 / 阅读(139) / 评论(0) 分类 2010年慢速英语(一)月

Marit Larsen 从那个红遍全球的少女组合M2M里走出来的Marit Larsen并没延续M2M的流行摇滚,而是选择了清澈的民谣曲风,用她时而俏皮时而的甜蜜的嗓音来吟唱她自己写的小曲儿,带给听者如沐春风的清新感觉。 中英歌词: It's such a funny sensation to be so happy that

发表于:2019-02-06 / 阅读(169) / 评论(0) 分类 音乐咖啡厅

LOS ANGELES, June 18 (Xinhua) -- Microsoft Corp. unveiled Monday a family of tablets dubbed Surface, built on Windows 8, at an event in Los Angeles. Microsoft Chief Executive Steve Ballmer introduced the company's Surface family of tablets. The devic

发表于:2019-02-17 / 阅读(144) / 评论(0) 分类 英语新闻

HANGZHOU, April 8 (Xinhua) -- A ceremony was held here Saturday evening to give away China's first Pineapple Science Prize, which is designed to honor researches with great imagination and to arouse the public enthusiasm for science. Jointly launched

发表于:2019-02-18 / 阅读(110) / 评论(0) 分类 英语新闻

图片1 图片2 图片3 图片4 图片5

发表于:2019-02-19 / 阅读(170) / 评论(0) 分类 加州英语分级G6

图片1 图片2

发表于:2019-02-19 / 阅读(158) / 评论(0) 分类 加州英语分级G6
学英语单词
a flight of ambition
acetylglyeine
adjusted homology sequence
air blown asphalt
aluminium potassium chloride
amphibious objective study
applicably
ball iron
balloon hood
Bartlow
bituminous sands
bowwow theory
butenoic
casthouse equipment
chelidoperca hirundinacea
chromatic number problem
compagnie chopinot
conversation with god
cylinder head fixed stud
dancing girl
diseasecausing
double stochastic matrix
elaiosphere
epioophoron
filament activity
footnote separator
free point
gingerbread-offices
glass fiber waveguide
golf
great changes
Heerfordt
hellspawn
introject
isocephalism
isoleukotrienes
Jones number
load module library
local focal length
Ludwigsdorf
maintain system history program
map layer
marine biological research vessel
mass organization
meganopteron rarum
micromeria chamissoniss
muddy the waters
multiple data format
mutalibov
need it!
no-harm
nonlinear differential-difference equation
nonpeople
nontransfer
noradrenergically
object-oriented data model
odorise
oligo
oligodts
OriginalFilename
output current
patrickson
pay dispute
peladic
penchi series
photoheliographs
plane of weakness
polyethylene glycol terephthalate
private industry and trade
provine
quality assured system
race to the top
rheology of rock
rudder thickness ratio
Rugososchwagerina
rvalue
sales tax payable
sans-papiers
scaling model
schmincke's tumor
secondary service
secundina
see how the wind lies
specially moulded brick
Spergen limestone
St Maries
steepness of voltage collapse
sterro channel equality
storm surge forecasting
swinging-in casement
toothed link
toroidal current-transformer
tree language
trigonal bipyramid
two-phase locking protocol
untouchability
upper drum
vermiform appendices
vicariuss
whispered
xylofusinite
youthful-looking