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Idled Atom-Smasher Yielding Data Months After Shutdown The Tevatron Accelerator at the U.S. government's Fermi National Laboratory in suburban Chicago once led the world in studying what happens when subatomic particles are thrown together at nearly

发表于:2018-12-16 / 阅读(85) / 评论(0) 分类 VOA标准英语2011年(十二月)

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发表于:2018-12-30 / 阅读(131) / 评论(0) 分类 单词解析速记

Mercury Fillings Seem Safer over Time A study in the journal Chemical Research in Toxicology finds that mercury on the surface of dental fillings slowly turns to an inert sulfide compound, which should keep the mercury from harming the nervous system

发表于:2019-01-02 / 阅读(155) / 评论(0) 分类 60秒科学

图片1 图片2 by Jason Marshall A few articles ago, I asked if you ever found yourself at restaurants fumbling to figure out how much to tip; I guessed that you might occasionally resort to seeking advice from your smart phone; and I told you that

发表于:2019-01-02 / 阅读(182) / 评论(0) 分类 数学英语

HEALTH REPORT – December 11, 2002: Mercury Levels in Fish By George Grow This is the VOA Special English Health Report. Two studies are adding to the debate about the health risks of eating fish con

发表于:2019-01-07 / 阅读(82) / 评论(0) 分类 健康与环境

By Jim Bertel Washington, D.C. 16 January 2006 watch Comedy movie report A Hollywood star has a new movie that is as serious as it is funny. VOA's Jim Bertel reports Albert Brooks delivers laughs with

发表于:2019-01-07 / 阅读(198) / 评论(0) 分类 2006年VOA标准英语(一月)

By Steve Schy Detroit, Michigan 03 February 2006 watch Super Bowl Ads report The National Football League's annual championship game - the Super Bowl - is Sunday. More than 130 million people are expe

发表于:2019-01-07 / 阅读(119) / 评论(0) 分类 2006年VOA标准英语(二月)

By Brian Wagner Caracas 07 January 2008 Venezuela has launched a new currency aimed, in part, at curbing high inflation rates in the oil-producing nation. Prices have risen in Venezuela due to soaring consumer demand, creating shortages of milk, suga

发表于:2019-01-09 / 阅读(89) / 评论(0) 分类 VOA标准英语2008年(一月)

By Lisa Schlein Geneva 20 November 2006 U.N. Secretary-General Kofi Annan is urging nations to do more to combat biological weapons, and to create global safeguards to keep them out of terrorist hands. Kofi Annan at a review conference on Biological

发表于:2019-01-12 / 阅读(149) / 评论(0) 分类 2006年VOA标准英语(十一月)

Polls have closed in Algeria where some opposition parties boycotted presidential balloting because electoral laws were changed to allow Abdelaziz Bouteflika to run for a third term. Meanwhile, two police officers were injured in a bomb blast outsid

发表于:2019-01-13 / 阅读(91) / 评论(0) 分类 VOA标准英语2009年(四月)

Nigeria's Religious Leaders Work to Stop Violence Kaduna, much like the Nigerian state itself, is divided into a mainly Muslim north and a predominantly Christian south. In April 2011, post-election riots in Kaduna state descended into religious viol

发表于:2019-01-13 / 阅读(115) / 评论(0) 分类 VOA标准英语2012年(六月)

President Barack Obama says America's economy is in crisis but can be repaired. America's 44th president struck a determined, but pragmatic tone, on economic matters in his inaugural address. President Barack Obama delivers his inaugural address at

发表于:2019-01-13 / 阅读(86) / 评论(0) 分类 VOA标准英语2009年(一月)

By Melinda Smith Washington 16 September 2009 Part 1 of VOA's 5-part series on Health Care The American health care system has been called one of the best and worst in the world. Many experts say it is certainly the most expensive, costing $2.5 tril

发表于:2019-01-31 / 阅读(63) / 评论(0) 分类 VOA标准英语2009年(九月)

By Nina-Maria Potts Paris, France 14 April 2006 watch French Riots report Following the rioting by disadvantaged young people in France last fall, the French government tried to institute a law making

发表于:2019-02-02 / 阅读(182) / 评论(0) 分类 2006年VOA标准英语(四月)

By Alisha Ryu Nairobi 11 January 2007 In Ethiopia, former communist dictator Mengistu Haile Mariam has been sentenced to life in prison on genocide charges and other crimes committed during his brutal 17-year-long rule. But as VOA Correspondent Alis

发表于:2019-02-04 / 阅读(142) / 评论(0) 分类 2007年VOA标准英语(一月)

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(71) / 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(91) / 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(85) / 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(139) / 评论(0) 分类 自然百科2012年

By Jim Malone Washington 11 July 2006 Opposition Democrats hope to seize control of one or both chambers of the U.S. Congress in the November mid-term elections, in large part because of voter dismay over the situation in Iraq. In the first of a two

发表于:2019-02-08 / 阅读(167) / 评论(0) 分类 2006年VOA标准英语(七月)
学英语单词
abnormal termination routine
air motion
alley-oop
armature spinder
asbolan
assembling process chart
attained pose drift
be jealous
Beneditinos
block line
break-even point method
bring to the table
bubble reaction
campbellton
cellevision
center-justify
Charter Oath
collier's lung
colloidal graphite
comparative advantages
counterindoctrinated
crystal angstrom
dead broke
Department for Constitutional Affairs
developing economy
Devesel
diplex operation
dyssmboly
econtrary
ekman drift current
ELOPOIDEI
Euph.
fenderings
first-order design
fish after
fish bolt nut
five-phases
for an indefinite time
frame rate conversion
freixenet
genus armadillidiums
gossany
grade-crossing
hand press printing
hehan
himbry
Hypnodol
ideologemes
in vitro fertilisation
infixes
IPTX
itemized appropriation
kerf spacing
ketch-word
laborit
lindsaea javanensis
measurement of olfaction
mobile state
Monza
necessary expenses
nigelline
nongyrotropic
NOPC
normalized fraction
obtusatic acid
parisinas
perischoechinoidea
pervestigate
pluriformis septicemia
point-of-failure restart
primary nasal cavity
principessa
put somebody in the picture
recruitment pheromone
Resele
rosacea tuberculis of lowandowsky
salarino
sand blow
self defense activity
sewage solid extractor
sialometaplasia
Snezhnoye
society
solid floor
South Seas
split muff coupling
staff manual
steel sheet pile
succourful
suppressor sensitive mutant
tangible proofs
third party
tick disease
touching wood
trim problem
tularaemic
twintube
unpassive
vibrating feed box
vine cactus
willink
yield of edible portion of meat