氯化铵汞

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(148) / 评论(0) 分类 2012年VOA慢速英语(七)月

New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc

发表于:2018-12-08 / 阅读(160) / 评论(0) 分类 VOA标准英语2014年(六月)

In business, Optus has called for Telstra's proposals on its participation in the national broadband network to be blocked. Optus' chief executive Paul O'Sullivan says Telstra's current plan for the separation of its retail and wholesale arms wholesa

发表于:2018-12-11 / 阅读(156) / 评论(0) 分类 澳洲ABC新闻快递2011年

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(232) / 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(152) / 评论(0) 分类 彭蒙惠英语

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(123) / 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(135) / 评论(0) 分类 2013年VOA慢速英语(四)月

DAVID GREENE, HOST: Families across the United States are fighting with the federal government over a deadly chemical. Dozens of people have died from inhaling methylene chloride. This is an ingredient in common paint removers. NPR's Rebecca Hersher

发表于:2019-01-17 / 阅读(157) / 评论(0) 分类 2018年NPR美国国家公共电台11月

Every winter some twenty million tons of salt are dumped on America's road.That sodium chloride melts the ice, so it prevents its formatin, helping to prevent accidents. But road salt has its downside. This is not very economical because salt is main

发表于:2019-01-20 / 阅读(212) / 评论(0) 分类 2016年Scientific American(一)月

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(151) / 评论(0) 分类 自然百科2009年

AGRICULTURE REPORT – March 12, 2002: Carbon Dioxide and Crops By George Grow This is the VOA Special English AGRICULTURE REPORT. Increasing levels of carbon dioxide gas in Earth’s atmosphere have

发表于:2019-01-30 / 阅读(176) / 评论(0) 分类 农业与发展

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(275) / 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(158) / 评论(0) 分类 英语新闻

Tony: Who did you invite over for dinner Saturday? Carmela: I invited Keith, Sung, Stephanie, and Luis. Tony: You didnt! Carmela: I did. Why? Tony: Youre going to have a hard time cooking for them. Keith is a vegan and only eats food thats organic. S

发表于:2019-02-04 / 阅读(145) / 评论(0) 分类 地道美语播客

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(145) / 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(134) / 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(188) / 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(209) / 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(272) / 评论(0) 分类 自然百科2012年

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(248) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
2-ethylhexyloxypropyl-amine
abvoltCGS
aminothiourea
assignment of copyright
background area
be clouded
blood loss
Bochner, Salomon
broach someone's claret
bus trap
C.&E.T.
canal cell
cephalosporin N
chlorazol brown b
consumer profile
cotqueans
Countryside Alliance
crus commune
curative sera
cyper pet
diced white gourd and assorted meat soup
direct links
dniester (dnestr) r.
Dorexol
dust-proof solenoid valve
economic rationality
edit item
electron-microautoradiography(EMAR)
Elevated Temperature Drawing
engine crankshaft loading
epinephelus akaara
euglenids
farciminosis
fertile phases
fixing salt
fluoroacrylate rubber
flush cover
further normalization
gaas1-xpx laser
gooeyest
h maser
hemacytometers
indicating micrometer calipers
inspection of a line
integrity of welded joint
iodopyracetmethyl glucamine salt
Jones & C.
kuliokite- (y)
litis aestimatio
liturgical music
long stem cutting
Mayniac
medicated enema
message weight
microscope illuminator
miscolours
multi line entry
neutral-flame
normal charging current
normalisation
nothern range
osmundastrum claytonium tagawa. var. vestitum tagawa
out-of-sort
outer planar graph
ozeanite (oceanite)
patents ceased through nonpayment of renewal fees
pencil mark
phyllosticta amorphophalli
platform derrick
pradoo wood
pre - school children
predispersal seed predation
recraft
Rhynchodina
Rotch's sign
rubber-tired excavator
ruin threshola
saliency map
Saxifraga forrestii
Serfopoula, Nisis
set-ups
simplify the administrative structure
skeezahs
Skovballe
socio-economic system
Spodoptera exigua
stage head
stairway enclosure
straighties
strategic telecommunications
taking notes
thyroxinebinding globulin
time release scheme
time-tabling
to the view
turyite (hydrohematite)
unguentum sulpnuris
UPC
variable range hopping conductivity
Volchas
weight loaded governor
white swelling