泡沫绝热材料

Broadcast: May 10, 2003 By Cynthia Kirk This is the VOA Special English program, In the News. Investigators say they now believe they know what caused the American space shuttle Columbia to break apar

发表于:2018-12-07 / 阅读(106) / 评论(0) 分类 VOA2003(上)-科技导航

Scientists have found that levels of a now-banned chemical are rising again in Earths atmosphere. The chemical is called CFC-11. It is the second most common kind of CFC, short for chlorofluorocarbon. Chlorofluorocarbons were once widely used in many

发表于:2019-01-03 / 阅读(143) / 评论(0) 分类 2018年VOA慢速英语(五)月

Broadcast: Apr 09, 2003 Two U.S. astronauts took a spacewalk Tuesday to perform exterior maintenance on the International Space Station. It was the last opportunity to fix hardware while the outpost h

发表于:2019-01-03 / 阅读(291) / 评论(0) 分类 VOA2003(上)-科技先知

Broadcast: Feb 07, 2003 U.S. space agency officials confirmed Friday that they are analyzing military photographs that appear to show damage to the space shuttle Columbia shortly before it disintegrat

发表于:2019-01-03 / 阅读(139) / 评论(0) 分类 VOA2003(上)-科技先知

Good morning, I'm Melissa Long here at the CNN center in Atlanta. It's Thursday, July 16th and here's a look at some of the stories that are happening NOW IN THE NEWS. Judge Sonia Sotomayor will begin a final round of questioning from senators this

发表于:2019-01-07 / 阅读(109) / 评论(0) 分类 CNN2009年(七)月

美联社,新闻一分钟,London,bombing,president,1 Police raids in London and Rome, round up the last of the suspected attackers in last week's failed transit bombings in Britain's capital. 2 Breaking with President Bush, Senate Majority Leader Fris

发表于:2019-01-08 / 阅读(153) / 评论(0) 分类 美联社新闻一分钟2005

1.All of us across this nation are concerned. President Bush is sending his thoughts to residents in the path of wildfires in Southern California. The fires have destroyed 1,300 homes. Forecasters say there are no signs the fires are slowing down. Me

发表于:2019-01-08 / 阅读(129) / 评论(0) 分类 美联社新闻一分钟2007

1. President Bush meets Pope Benedict XVI defending his humanitarian record after the Pope expresses concerns about what he calls the worrisome situation in Iraq. On the streets of Rome, thousands of anti-American protestors denounced Bush. 2. It's a

发表于:2019-01-08 / 阅读(138) / 评论(0) 分类 美联社新闻一分钟2007

1. Toyota has announced it will recall more than 400,000 Prius and other hybrid vehicles around the globe to fix brake problems. This recall is the latest in a string of embarrassing safety problems at the world's largest automaker. This recall invol

发表于:2019-01-11 / 阅读(182) / 评论(0) 分类 美联社新闻一分钟2010(二月)

This is the VOA Special English Development Report. Today we bring you a new take on an old tale. It's the story of the three little pigs and the big bad wolf that blew down a house made of straw and one made of sticks. The only house left standing

发表于:2019-01-11 / 阅读(114) / 评论(0) 分类 VOA慢速英语2009年(十)月

Earth's Ozone Layer Shows Signs of Recovery 地球臭氧层出现恢复迹象 The new report says the Earths ozone layer is showing signs of recovery. Ozone is a form of oxygen. It is found in the air we breathe and in Earth's atmosphere. The ozone l

发表于:2019-01-12 / 阅读(120) / 评论(0) 分类 2014年VOA慢速英语(九)月

By Bill Gasperini Moscow 01 April 2006 This image made available by NASA-TV shows the Soyuz capsule, center, docked with the international space station The three-man crew of a Russian Soyuz spacecraf

发表于:2019-01-13 / 阅读(168) / 评论(0) 分类 2006年VOA标准英语(四月)

Ecocradle serves the same purpose as traditional foams when used as a packaging material. Buying a product these days often means you are getting more than you bargained for. Unwrapping your latest purchase can leave the room strewn with the cardboar

发表于:2019-01-13 / 阅读(124) / 评论(0) 分类 VOA标准英语2010年(八)月

Students Aim for Aviation History with Human-Powered Helicopter Within reach What seemed impossible when William Staruk began his PhD studies at the University of Maryland three years ago, is now within reach. He's part of a 50-member team developing

发表于:2019-01-14 / 阅读(108) / 评论(0) 分类 VOA标准英语2013年(五月)

NASA officials say images taken of the space shuttle Discovery's launch on Tuesday show a small piece of foam insulation may have struck the orbiter's wing. A similar wing hit during the launch of the Columbia in February 2003 caused the disaster whe

发表于:2019-01-19 / 阅读(97) / 评论(0) 分类 VOA双语新闻 Bilingual News

As a greater proportion of Britons live alone, the demand for one bedroom, space efficient solutions is increasing. The UK Ideal Home Exhibition has the latest ideas to maximize space in smaller homes and energy saving ideas. Our reporter Wang Xiao h

发表于:2019-01-19 / 阅读(85) / 评论(0) 分类 英闻天下

By Robert Raffaele Washington, DC 05 July 2006 watch Discovery Liftoff report Shuttle Discovery launch NASA successfully launched the space shuttle Discovery Tuesday, after two previous launches were scrubbed due to bad weather in the southeastern U

发表于:2019-01-25 / 阅读(178) / 评论(0) 分类 2006年VOA标准英语(七月)

By Brian Wagner Miami 22 October 2007 NASA officials say possible rains and low clouds may force the delay of Tuesday's scheduled launch of the space shuttle Discovery. In Miami, VOA's Brian Wagner reports the shuttle is set to deliver a new module t

发表于:2019-01-31 / 阅读(109) / 评论(0) 分类 2007年VOA常速英语(十月)

Reentry Heat [Why does a space shuttle get hotter on reentry than on liftoff?] 能想象航天飞机穿越大气层时受到摩擦产生的热量有多惊人吗?来一起听听吧。 M:Dolle,we now know that the space shuttle Columbia burned up whe

发表于:2019-02-24 / 阅读(101) / 评论(0) 分类 英语听力文摘 English Digest

The car manufacturer of Volkswagen has denied claims by US regulators that some of its luxury brands were also fitted with devices to cheat pollution tests. The Environmental Protection Agency said at least 10,000 vehicles with 6-cylinder 3-liter eng

发表于:2019-03-06 / 阅读(133) / 评论(0) 分类 英语听力精选进阶版
学英语单词
-sterol
a system
a-holes
automatizing
back-to-back devices
ballet-pantomime
been there
calc-mica schist
calcareous sacs
castrel
circumpass
cosmic projectile
cotilidon
counterfeeds
critical bias
crop and cobble flying shears
cymographic
Dalkola
demand recorder
dengue fever virus
dentalneedle
devereaux
dinitrophenols
dismissal procedure
dyanmic code reading
eagle's beak pliers
electrometer valve
emptory
enactize
explosive consonant
expurgator
Ficoidaceae
flashing light for vessel carrying dangerous cargo
footnote to history
front end shop
fructist
full-colour
high-energy radiation
hubermen
hydraulic torque of turbine
hydroxycinnamoyl
Ice Alip
influxive
interdependence of deliveries
interplay
Involutisporonites
ISAKMP
knickerless
leaf recoed type
leftfielder
lepocytes
libreta
liver chestnuts
Lombardo, Guy(Albert)
Lou Gehrig's disease
microlept
military-training
monorail transit system
negative press
noncariogenic
Novomoskovskiy Rayon
ocotillo
operating criteria
ortolans
pancreatic islets transplantation
phenylurea herbicide
polymorphonuclear cell
primary structural component
processus nasalis medialis
program limit register
quinine dihydrochloride
Rauschelback rotor
reaction water wheel
redshift controversy
reset button
Rhodymeniaceae
rink skate
round chop
safety frame
San Lorenzo de El Escorial
Sankt Gilgen
scooter deflector
self-start motor
Shakshūk
split someone's ears
subaerial fluvial system
supervisor software system
takes notes of
target board
Testacea
thin layer evaporator
thuidium pycnothallum (c.m l.)par.
trail run
transmission of the television signal
undamaged seal
uredinium
valenzuela fraternus
viscous air filter
washing-powders
water pollution engineering
white-cell
yawing in anchoring