铜铬铝合金

By Gary Garriott Broadcast: November 3, 2003 This is Steve Ember with the VOA Special English Development Report. People have been recycling metals for hundreds of years. Today, re-using metal waste o

发表于:2018-12-01 / 阅读(302) / 评论(0) 分类 VOA2003(下)-发展与科学

[00:09.95]Six weeks ago, the movie Erin Brockovich opened the United States. [00:16.95]So far, it has earned at least 100,000,000 dollars. [00:22.47]It tells a true story about a young woman who helped people in a California town gain money from an e

发表于:2018-12-03 / 阅读(178) / 评论(0) 分类 标准美语发音的13个秘诀 CD4

图片1 metal n. 金属 例句:This metal is harder than that one. 这种金属比那种硬。 metallic adj. 金属(性)的 例句:Fannie' s shovel struck against something metallic when she wasplanting flowers in the garden. 当芬妮在花园里种

发表于:2018-12-04 / 阅读(122) / 评论(0) 分类 漫画搞定六级词汇(文本+音频)

Most works of art - paintings, sculptures, artistic jewelry - are created for a collector or patrons who visit a gallery. The artist makes something, and someone else buys it and takes it home. Others create large public art - sculptures and statues

发表于:2018-12-16 / 阅读(158) / 评论(0) 分类 VOA标准英语2010年(九)月

Scrap-Metal Separation May Become Cheaper 新技术降低废金属分离成本 According to the Environmental Protection Agency, the United States throws 14.8 million tons of scrap metal into landfills every year. One of the main reasons is the diffi

发表于:2018-12-16 / 阅读(109) / 评论(0) 分类 VOA标准英语2015年(二月)

Part III Listening Comprehension (35 minutes) Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conv

发表于:2018-12-16 / 阅读(140) / 评论(0) 分类 英语六级听力练习集锦

Help! There's someone hurt! - What are you hearing, Sullivan? - According to first responders it was a bomb. - How many? - Four of yours and five passersby. - Have anyone claimed responsibility? - We found this. - Do you think she's dead? - We can't

发表于:2018-12-28 / 阅读(138) / 评论(0) 分类 英文电影预告片填空

How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t

发表于:2019-01-02 / 阅读(325) / 评论(0) 分类 知性英语

DEVELOPMENT REPORT - Recycling Scrap Metal Into MoneyBy Gary Garriott Broadcast: Monday, July 31, 2006 This is the VOA Special English Development Report. People have been recycling metals for hundred

发表于:2019-01-02 / 阅读(150) / 评论(0) 分类 2006年慢速英语(七)月

Japanese Steelmaker Admits False Safety Information The Japanese manufacturer Kobe Steel is investigating problems with safety inspection information about its products. The company reported improper conduct related to some steel, aluminum and copper

发表于:2019-01-03 / 阅读(163) / 评论(0) 分类 2017年VOA慢速英语(十)月

AS IT IS 2015-03-25 Scrap Metal Separation May Become Less Costly 废金属分离技术成本可能会降低 Recycling, or re-using, metals is much less costly than making them from raw materials in the Earth, called ore. But when old cars, household

发表于:2019-01-12 / 阅读(117) / 评论(0) 分类 2015年VOA慢速英语(三)月

Good morning, everyone. Mining firm Glencore has said it's operationally and financially robust after questions were raised about its financial future. On Monday, its shares dived 30% after a note from analysts said its share value could be eliminate

发表于:2019-01-19 / 阅读(164) / 评论(0) 分类 澳洲ABC新闻快递2015年

GWEN IFILL: Now NewsHour science correspondent Miles O'Brien begins a two-part look at America's drinking water, and the regulatory system that is supposed to guarantee its safety. His report is the result of a partnership with the Center for Public

发表于:2019-01-27 / 阅读(140) / 评论(0) 分类 PBS访谈环境系列

DEVELOPMENT REPORT - Reusing Metal Waste Provides Work For Many in Developing Countries By Gary Garriott Broadcast: Monday, April 04, 2005 I'm Gwen Outen with the VOA Special English Development Repor

发表于:2019-01-30 / 阅读(154) / 评论(0) 分类 农业与发展

By Naomi Schwarz Dakar 11 December 2006 The outside world has long looked to Africa as a source for raw materials. In Senegal, Indian firms are buying up metric tons of recycled metal, including aluminum. For VOA, Naomi Schwarz visited an aluminum p

发表于:2019-02-02 / 阅读(188) / 评论(0) 分类 2006年VOA标准英语(十二月)

By Jeff Swicord Cleveland, Ohio 18 March 2008 The subprime mortgage crisis has devastated property values and the quality of life in cities across the United States. In this, the second part of a three part series, VOA's Jeff Swicord takes a look at

发表于:2019-02-02 / 阅读(117) / 评论(0) 分类 VOA标准英语2008年(三月)

Part 2. The Times capsule. Keywords. time capsule, future, be passed on. Vocabulary. copper, aluminum, stainless, non-rusting, leakproof, humidity, Zimbabwe. A. Do you know what a time capsule is and what it is for? Listen to the following explanatio

发表于:2019-02-03 / 阅读(131) / 评论(0) 分类 step by step 3000 第一册

Chinas latest effort to curb air pollution is raising hopes for the global aluminium industry, adding fresh momentum to a rally that has left the base metal as the best performer this year. 中国发起的旨在遏制空气污染的最新努力为铝价

发表于:2019-02-08 / 阅读(123) / 评论(0) 分类 英语新闻

And two explosions in Boston, at the finishing line of Boston marathon have claimed two lives. According to local media outlets, including the Boston Globe, more than 100 people injured and are being treated in nearby hospitals. There's been a series

发表于:2019-02-21 / 阅读(109) / 评论(0) 分类 澳洲ABC新闻快递2013年

As you might expect, oxygen is our most abundant element, accounting for just under 50 percent of the Earth's crust, 你也许会想到,氧是最丰富的元素,占地壳的将近50%。 but after that the relative abundances are often surprising.

发表于:2019-02-25 / 阅读(116) / 评论(0) 分类 万物简史
学英语单词
a teixeira
acstt
airless
Alnico alloyed nickel cobalt steel
ambion
anistreplase
anti-crimes
AS-pellionex-SAX
Athrotaxis
B.Q.
baby-sitter
Bangunpurba
biphasics
blood-stroke
bobbin winch
bons mots
butter icing
Calamus yunnanensis
cellulose-nylon blend
chromic acid mixture
class of ideals
clieous
congenital rectal atresia
corradini
cosmic electron
cost base
criticalnumber tooth for no undercutting
cryptopine
cured in
cytologist
dais cofinofolia l.
dare
distributional weight
duplicated file
eyeishes
feel the way
fiendin'
floating scraper
Forchheimer's sign
g factor of atom or electron
get-well
Granollers
Hitchon
hta
hydraulic torque converter lockup
hypertrophy of conjunctiva
in the wrong box
inferior ovary
isolysis
isostrain condition
ivashov
jxc
kuybyshev (kuibyshev)
lamp tip adapter
laringogram
leoniner
light mills
lupus sebaceus
malasia
Mandaic
marengoes
milieus
mis-dealers
model membrane
Montignac
mothproofing gent
nepos
Nervus caroticus internus
non-productive
non-ulcerating lupus
noncommissioned
nontransgenic
noyen
overhand mining
peridens
pinch-pulling test
plumpnesses
predeterminant
programs
proximal ore deposit
pull tap
radioautocontrol
repetitive production
rerails
Sara Kunda
segholate
self knowing
semiconductings
serial-to parallel converter
Sopubia trifida
special checkout equipment for satellite
spoon sampling
static distortion
thyrsis and clore
transfinite sequence
typeface
unstable ring resonator
urethra-
vacuum spectrograph
welfare-reform
whistle-stopper
williard