[医] 对氨基苯胂酸汞

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(141) / 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(227) / 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(145) / 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(196) / 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(144) / 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(159) / 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(117) / 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(132) / 评论(0) 分类 2013年VOA慢速英语(四)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(140) / 评论(0) 分类 2012年VOA慢速英语(八)月

AILSA CHANG, HOST: Later tonight at Europe's spaceport in French Guiana, a probe is scheduled to lift off. Its goal, as NPR's Joe Palca reports, is to explore the mysteries of Mercury. JOE PALCA, BYLINE: Mercury is a funny little planet. Like the Ear

发表于:2019-01-17 / 阅读(114) / 评论(0) 分类 2018年NPR美国国家公共电台10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(272) / 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(155) / 评论(0) 分类 英语新闻

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(115) / 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(126) / 评论(0) 分类 自然百科2012年

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(140) / 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(132) / 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(182) / 评论(0) 分类 自然百科2012年

Everyone likes a vacation in a warm climate, but how about a trip to two planets that are as hot as hell? If you are walking on the surface of Mercury, you need one heck of a spacesuit. Mysterious Mercury appears lifeless and desolate, but hidden dee

发表于:2019-02-05 / 阅读(190) / 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(206) / 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(263) / 评论(0) 分类 自然百科2012年
学英语单词
a tergo
Acajete
allophane
angle of half field-of view
antenna polar diagram
antihydropics
antroatticotomy
backward vision
Basilius
Batey San José
bell brass
between two fires
Bioactin
body-worn
bridge whist
cankerroot
cco(current-controlled oscillator)
charging-platform
charious
closed packing
cock of the school
colonos
condensable routine
consumption of main foodstuffs per head
control dilemma
crystal video receiver
cumulative trauma disorder syndrome
cylindrocarpon hederae
diaboluss
diesel-powered impact hammer
distillation tray
disuses
do ... sums
doyleys
dress trousers
ease of use
equi-index plate
equipment footprint
Erasistratus Of Ceos
especial business
evaluation copies
evaporate pond
extension of base line
feedgrain group
field-drain pipe
flammes
goddard range and rage rate (grarr)
goldman sachs
grey nomad
half-whisper
hebe-
hemocoelous viviparity
HMTT
IgAs
ingrown meander
introspective
Ivanic-Grad
Kalaanan
ketone-benzol-dewaxing process
knee stand
levkas (lefkada)
low freezing liquid
maximum breaker
MHCS
Minnesota, State of
Moghrabbin
movements for revenge
National Meteorological Center
Netilyn
nuclear rotational level
otago region
Otopheidomenidae
panregions
peak-or-valley readout memory
performance-enhancing drug
picpointed coordinate
pleuromutilins
pooecetes gramineuss
pulling speed
rotating extractor
saddle cut-out
serial-in parallel-out multiplier
sheared crack
Sibirian pine
somatypes
something between us
sulfur-containing
sumi
surfeit
synthetic aviation fuel
Telegraph Creek
toat
trammel methold
tumbler lock
two-toed sloth
twots
utriculoampullary nerve
volume water absorption
wood carviny by sand blast
woodwardia harlandii hook.'chieniopteris harlandii(hook.)ching
young fustic
zona volatica