汞麂t统

Project Mercury: The American Space Program Begins SHIRLEY GRIFFITH: EXPLORATIONS -- a program in Special English by the Voice of America. (SOUND) That announcement was made May fifth, nineteen sixty-one. It was the first manned flight of project Mer

发表于:2018-12-07 / 阅读(69) / 评论(0) 分类 2012年VOA慢速英语(七)月

Studies that will be released today show that fish, birds and mammals in New England have significant amounts of mercury in their bodies. The studies find the toxic metal in some unexpected habitats and they suggest that power plants in the Midwest a

发表于:2018-12-17 / 阅读(165) / 评论(0) 分类 2009年NPR美国国家公共电台7月

The Mercury Mess By Samantha Levine / 2004, as first appeared in U.S. News nbsp; What are the dangers of mercury in fish? Can the mercury mess be cleaned up? 1 Are these fish safe to eat?” It’s a

发表于:2018-12-19 / 阅读(83) / 评论(0) 分类 彭蒙惠英语

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(147) / 评论(0) 分类 60秒科学

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(69) / 评论(0) 分类 健康与环境

VOICE ONE: EXPLORATIONS -- a program in Special English by the Voice of America. (SOUND) That announcement was made May fifth, nineteen sixty-one. It was the first manned flight of project Mercury. Today, Tony Riggs and Larry West tell about the beg

发表于:2019-01-11 / 阅读(83) / 评论(0) 分类 VOA慢速英语2009年(六)月

How the 'Mercury 13' Led the Way for Women in the US Space Program Im Steve Ember. And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we tell about a program in the nineteen sixties to train women as astronauts. Today they are known

发表于:2019-01-12 / 阅读(65) / 评论(0) 分类 2013年VOA慢速英语(五)月

EXPLORATIONS - How the 'Mercury 13' Led the Way for Women in the US Space Program Im Steve Ember. And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we tell about a program in the nineteen sixties to train women as astronauts. Today

发表于:2019-01-12 / 阅读(76) / 评论(0) 分类 2013年VOA慢速英语(四)月

Israel's Defense Minister Ehud Barak is calling for significant sanctions against Iran, saying it is clear the country wants to be a nuclear weapons power. Barak made the comments during a visit to Washington. Israel sees Iran as an existential threa

发表于:2019-01-13 / 阅读(77) / 评论(0) 分类 VOA标准英语2010年(二月)

By Nancy-Amelia Collins Sydney 07 September 2007 Russia has signed a deal to import Australian uranium for Russia's nuclear energy program. The two countries were quick to assure the world that the material would be used only for peacetime nuclear pu

发表于:2019-01-25 / 阅读(118) / 评论(0) 分类 2007年VOA标准英语(九月)

By Paula Wolfson Washington 17 December 2007 President Bush says now that Iran has received an initial shipment of nuclear fuel for its Bushehr power plant from Russia, there is no need for Tehran to enrich uranium. VOA White House Correspondent Paul

发表于:2019-01-28 / 阅读(96) / 评论(0) 分类 VOA常速英语2007年(十二月)

SCIENCE IN THE NEWS - Mercury in Fish / Life on Land / The Goldman Environmental Prize By Broadcast: Tuesday, May 11, 2004 (THEME) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm B

发表于:2019-01-30 / 阅读(225) / 评论(0) 分类 科技之光

The U.S. space agency(代理中介) has released the first ever image taken of the surface of Mercury from a spacecraft orbiting the planet. The black and white image, posted on the NASA website Tuesday, shows a surface pocked with craters of varying

发表于:2019-01-31 / 阅读(104) / 评论(0) 分类 英语新闻

By Marlene Smith After a week of delicate negotiations, the International Atomic Energy Agency's ruling body has adopted a resolution calling for Iran to suspend all uranium enrichment activities. The

发表于:2019-01-31 / 阅读(89) / 评论(0) 分类 VOA2004(下)--新闻盘点

The U.S. space agency NASAs Messenger probe(正直的,廉洁的 ) is scheduled to reach Mercury later this week, and become the first spacecraft to orbit the planet closest to the sun. During Messengers year-long orbital mission, scientists exp

发表于:2019-02-05 / 阅读(81) / 评论(0) 分类 英语新闻

The U.S. space probe MESSENGER is poised to enter orbit around Mercury(水银) early Friday, Universal time, capping a nearly seven-year journey to the solar systems innermost planet. Scientists with the U.S. space agency, NASA, hope the orbiting

发表于:2019-02-05 / 阅读(73) / 评论(0) 分类 英语新闻

Ever wanted to be an astronaut? Imagine it was you, who was heading to the hot zone of the two inner planets, where would you go? What would you see? And how would you survive? The latest robotic machines have revealed more about these worlds than ev

发表于:2019-02-05 / 阅读(132) / 评论(0) 分类 自然百科2012年

By Phil Mercer Sydney 15 August 2007 Australia has ended its ban on uranium sales to India. The country has so far refused to sell the nuclear fuel to countries that have not signed the nuclear Non-Proliferation Treaty, but Foreign Minister Alexander

发表于:2019-02-06 / 阅读(127) / 评论(0) 分类 2007年VOA标准英语(八月)

By Paul Sisco Washington, DC 15 February 2008 Scientists have started analyzing data and images acquired when the Messenger space probe passed within 200 kilometers of the planet Mercury last month. It was the first flyby of the solar system's inner-

发表于:2019-02-06 / 阅读(134) / 评论(0) 分类 VOA常速英语2008年(二月)

Like Mercury, the earth takes a beating from the sun's violent temper. Flares, sun storms and other solar hissy fits can cause electronic mayhem for the satellites that roam above our heads. Fortunately, the earth is protected from this radiation by

发表于:2019-02-15 / 阅读(193) / 评论(0) 分类 自然百科2012年
学英语单词
account statements
accumulation fund of collective enterprises in cities and towns
addictionlike
admonitorily
adrenotoxin
alkaline corrosion
antitoxinum botulinicum
ardzinbas
ballbreaker
buddhas
castor bean tick
celsoes
channel frequency response
chertoff
conebills
contractual damage
conventional cargo
copper strip corrosion tester of petroleum products
de-leverage
direct reversing engine
dostounix
double-integrating accelerometer
DUniv
edgeways
emission spectro-chemical analysis
Emlenton
Eurya yunnanensis
Euterpe
exanthematous necrosis
forrard
Gauss-Markov theorem
generalized mode of optimun control
hautful
horizontal plate of platine bone
hot bill
interchange switching
junction particle detector
junction resistance
keilhauite
Lerma, R.
Let's face it
lixiviating
make one's flight
malleable iron trap
mangerite facies
mean geometric chord of airfoil
meeting-points
microbicidel
mikroplakite
miniature score
muzzleloader
myotonic muscular dystrophy
Médina Sabakh
natural angular velocity
non-reversible control
nonlocal response
nonresistant
oil resisting paronite
Oreocereus
overall noise temperature
p-process
pedunculated wart
perforating roller
picea brewerianas
piles us
pilosus ixodes
Providence Bay
quantity of heat supplied
Quercus aliena
raison detat
Ranunculus micronivalis
rentable
reversed spin
rewrapped
ring tool
safe-conduct
safety valve blowback
scelidosaurids
siamek
siuc-n
Soret's band
stereo-mapping
sticky-beak
stowns
the growing parts of the plants
thunder gust
Ticon
track cable joint
transfer basket
two blade propeller
unenjoying
unfixities
universal time (ut)
unspiky
voice response output unit
wanier
water pump body
White Otter L.
WiFi dongle
with an enrollment of
X-network
young crop