汞滴电级

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(430) / 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(534) / 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(432) / 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(559) / 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(395) / 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(525) / 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(422) / 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(390) / 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(403) / 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(528) / 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(620) / 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(456) / 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(657) / 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(487) / 评论(0) 分类 英语新闻

今天我们要学的词是jaw-dropping。 Jaw-dropping, 令人惊讶的。 The seventh Harry Potter movie opened to a jaw-dropping $330 million in global ticket sales over the weekend, 《哈利-波特7》周末上映全球票房3.3亿美元,让人跌

发表于:2019-02-05 / 阅读(381) / 评论(0) 分类 英语每日一词

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(530) / 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(517) / 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(581) / 评论(0) 分类 自然百科2012年

今天我们要学的词是jaw-dropping。 Jaw-dropping, 令人惊讶的。 The seventh Harry Potter movie opened to a jaw-dropping $330 million in global ticket sales over the weekend, 《哈利-波特7》周末上映全球票房3.3亿美元,让人跌

发表于:2019-02-18 / 阅读(417) / 评论(0) 分类 英语单词荟萃

歌曲 : Apologies 艺人 :Dropping Daylight 音乐星级 : ★★★★ 所属专辑 :Brace Yourself 发行年代 :2006 风格 :Pop Rock 相关介绍 :关于Dropping Daylight,在网络基本没有他们的资料,只知道是个年轻的乐队,歌曲都很有活力的感觉,散发着青春的气息,正如

发表于:2019-02-20 / 阅读(407) / 评论(0) 分类 英文摇滚歌曲
学英语单词
AC yoke magnetization
aerospace weapon
apostatism
Appalachian English
Apsheronskiy Rayon
auxiliary lever
axps
BNPA
boulardii
brevicaulis
caked depositing machine
capillary refills
chlorine residue
clodumars
closed region
collateral vascular bundle
constitutive relation
coordinate index
craniomalacia
cremnophobia
cross-partition
digital anemometer
discrete transfer function
disgracedness
disgustant
distress
dry tube mill
enterfere
epencephalic
exwharf
fair-faced concrete
fall like flies
fatalness
ferrament
flexible hours
fontainebleus
genus Najas
ghost-townish
gladstones
ha-adam
haereditas
Hamito-Semitic linguistics
hand's-breadth
have mercy on
hydro-leveling device
hydroxybenzenes
indanthrene dyes
initial step
intermediate negative carry
iron flask
iron stove
isocost line
isotropy
Jennerian vaccine
lehel
Lesser's tests
license duplicate
lynesfienol
maigari
market-day
marmolosin
metalworking machine
moment series
mucking out
mutagenic agent
nailable floor
nicking and breaking
non-metallic film
nystagmus-myoclonus
Olsen ductility test
osipovich
overdraft rate
paddock grazing method
portable syntax
power range detector
pulsed-light system
quiet experimental STOL aircraft
r-rating
re-frozen
rheological characteristic
rubiss
Rudolph Hess
run-time property
sarcotom
Sargonid
seebeck coefficient
slowfood
sodium peroxyuranate
Spreckelsville
suction filter
surcloying
tele processing system
teterrimous
tutoyer
Tyachiv
Tyler standard sieve
upon on the spot
Uznach
visual radio direction finder
welding process
yoshiaki
zinc-manganese dioxide cell