氯化汞准分子激光器

By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca

发表于:2018-12-08 / 阅读(153) / 评论(0) 分类 VOA常速英语2008年(四月)

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(166) / 评论(0) 分类 VOA标准英语2014年(六月)

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(160) / 评论(0) 分类 People in America

EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can

发表于:2018-12-16 / 阅读(136) / 评论(0) 分类 2013年VOA慢速英语(二)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(245) / 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(158) / 评论(0) 分类 彭蒙惠英语

Las Belle Dame Sans Merci O WHAT can ail thee, knight-at-arms, Alone and palely loitering? The sedge is witherd from the lake, And no birds sing. O what can ail thee, knight-at-arms, So haggard and so woe-begone? The squirrels granary is full, And th

发表于:2019-01-02 / 阅读(227) / 评论(0) 分类 济慈诗歌和书信选(英文版)

The United States Navy has demonstrated a new laser weapon operating in the Persian Gulf. The Laser Weapons System, or LaWS, is deployed on the USS Ponce transport ship. A live test firing of the weapon was recently carried out for Cable News Network

发表于:2019-01-02 / 阅读(152) / 评论(0) 分类 2017年VOA慢速英语(七)月

The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci

发表于:2019-01-12 / 阅读(210) / 评论(0) 分类 2013年VOA慢速英语(五)月

By Mil Arcega Washington 09 April 2007 Watch Boeing Fuel Efficient Jets Boeing 787, Fuel Efficient Jets After years of lagging behind European rival Airbus, Boeing says 2007 is shaping up to be a very good year. The Chicago based airplane manufacture

发表于:2019-01-16 / 阅读(208) / 评论(0) 分类 2007年VOA标准英语(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(168) / 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(222) / 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(159) / 评论(0) 分类 自然百科2009年

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(283) / 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(163) / 评论(0) 分类 英语新闻

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

发表于:2019-01-31 / 阅读(179) / 评论(0) 分类 VOA常速英语2007年(十一月)

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(151) / 评论(0) 分类 地道美语播客

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(216) / 评论(0) 分类 VOA常速英语2008年(二月)

Todd: Now, Barbara, it's really good to see you. I heard that you were in the hospital. Barbara: Yes, I was. I got sick in august last year and luckily I was with my students and the lady was a nurse. She and her husband drove me to the hospital. I w

发表于:2019-02-18 / 阅读(134) / 评论(0) 分类 原版英语对话1000个

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(257) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
allowable bucklling stress
anthropophuistic
bamboo suit
bank paper
be eager to do
black cat
broadlands
cache-miss
calculation method of short-circuit current
cargo oil tank cleaning system
carrington rotation
Castner cell
chamomille
chroma
critical compression pressure
cross-selling
cyanide processes
daylight type color film
default keyboard monitor
demanganize
Direct-sale
dofunny
dove-tail key
E.H.V.
echard
electro retinograph
Emsfors
envisionments
eyeball assay
foard
four function paradigm(parsons)
group handles
heidel
hending
herdic
hoisting and erection
humidity province
infix extract
interest subsidization
isopropylmethoxamine
joints of the body on the whole
kerbtransaction
keyboy
leaf architectural analysis
liquid substance
magnetocrystalline energy
make on
micromegalopsia
monitor board
muttnik
nail-headed moulding
negatively charge ion
onhook
online system
opisthenar alopecia
orris pea
paint sth out
Paleo-(Palaeo-)
palliation
parametrises
partes infraclavicularis
pediculus
permeability separatory apparatus
plotlessly
point duty
poloni
polygram casting
postmaterial
poto
printing concerns
process flow
Qualified Majority Voting
rational point
remedy against third parties
remote recorder
rhacomitrium
rinek
roll axis of the anchor
saloquinine
sanguimotory
seine-net
self locking brake
sialoductitis
singlehanded
solvent wide-width-continuous plant
sparkling liquor
square(-)serif
stateliness
station-keeping
steatite whiteware
stop-way
suscardia
Sutherland constant
sympathetic root cell
thin film passive network
transmission electron microscope
triphenylrosaniline
two bearing rudder
two-timing
underwater tracking equipment
use the washroom
vehicule