美国信使月刊

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(109) / 评论(0) 分类 2012年VOA慢速英语(七)月

PEOPLE IN AMERICA -October 27, 2002: Alan Shepard By Avi Arditti VOICE ONE: I'm Shirley Griffith VOICE TWO: And I'm Steve Ember with the VOA Special English program, People in America. Each week we te

发表于:2018-12-15 / 阅读(128) / 评论(0) 分类 People in America

VOICE ONE: I'm Shirley Griffith. VOICE TWO: Alan Shepard waiting for launch into space on May 5, 1961 And I'm Steve Ember with the VOA Special English program People in America. Each week we tell about someone important in the history of the United

发表于:2018-12-15 / 阅读(98) / 评论(0) 分类 VOA慢速英语2008年(八)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(202) / 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(109) / 评论(0) 分类 彭蒙惠英语

This is Scientific American's 60-Second Science, I am Cynthia Graber.This'll just take a minute. On earth, snow crystals as we all know, form from frozen water. But scientists believe there're also flakes that fall on Mercury, and they're made of iro

发表于:2019-01-07 / 阅读(134) / 评论(0) 分类 Scientific American(六)月

Mercury tends to show up in strange places, like swordfish and sharks. Now researchers have detected small amounts of mercury in the fog that bathes the California redwoods, near Santa Cruz. The mercury levels they've measured are in parts per trilli

发表于:2019-01-08 / 阅读(113) / 评论(0) 分类 Scientific American(十二)月

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(116) / 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(92) / 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(111) / 评论(0) 分类 2013年VOA慢速英语(四)月

People in America - Alan Shepard, 1923-1998: The First American to Fly in Space SHIRLEY GRIFFITH: I'm Shirley Griffith. STEVE EMBER: And I'm Steve Ember with the VOA Special English program People in America. Each week we tell about someone important

发表于:2019-01-12 / 阅读(146) / 评论(0) 分类 2011年VOA慢速英语(五)月

EXPLORATIONS - Project Mercury: Alan Shepard Becomes the First American in Space STEVE EMBER: This is Steve Ember. SHIRLEY GRIFFITH: And this is Shirley Griffith with the VOA Special English program EXPLORATIONS. Today we finish the story of the firs

发表于:2019-01-12 / 阅读(118) / 评论(0) 分类 2012年VOA慢速英语(八)月

EXPLORATIONS - Project Mercury: Soviet Successes Push U.S. to Build a Space Program From the Ground UpBy Marilyn Christiano and Frank Beardsley Broadcast: Wednesday, July 19, 2006 VOICE ONE: Explorati

发表于:2019-01-30 / 阅读(120) / 评论(0) 分类 2006年慢速英语(七)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(249) / 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(132) / 评论(0) 分类 英语新闻

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(114) / 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(107) / 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(159) / 评论(0) 分类 自然百科2012年

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(173) / 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(231) / 评论(0) 分类 自然百科2012年
学英语单词
adiabatic process
Angerland
arylenes
atomic grequency
azygogram
B. & I.
be just the ticket
bernoulli's function
boiler (shell) ring
Carmadie
caseous pneumonic tuberculosis
claim settlement rate
class list
cloudlands
concealed weapon
Delphinni
e distribution
EndiemaI
erect type
eucalyptus resin oil
farmhouses
finite degrees of freedom
floor chart
flowin'
fringillidaes
geeksville
genovariation
glissandi
grate-fired furnace
hand semaphore signal
hesperiss
high velocity ground roll
human cell
humic acid combined fertilizer
hydrothecae
interiano
interlocking contact
international affairss
invalid array
iron tyre
keloidal
lead grid
linear block
lpci line
m-b
made a nuisance of himself
maechling
mercury cathod
metanormality
microgram method
monochloro
myocardiodystrophy
narazuke
neighbo(u)ring interval
Nelemnoye
nitro-glycerol
noise slicer
non-affiliated
non-pneumatic sprayhead
Obie
one-step photographic film
ope-tide
oxarch
oxlings
parallel pascal
Pashto language
phagedenic pericementitis
pipiles
plos
pristine
prix-fixer
professional mask
push out
Qing stone
radices rubiae
reduction in the numbers of rejects
replacement level
rotoblasting
Rumex stenophyllus
sales index
salt pian
scurrilities
sedimentary parent materials
silk screen method
single shutoff hose coupling
solderable coating
sphenoidal process
star-w
street corners
stunt man
surgical clamp
terminal leg
time-temperature curve
Tom Tom
towch
Umm al Qaywayn
ungarter
vegetable knife
voigt
weakening of metal
XPG3
zona medullovasculosa