铝铜合金

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(240) / 评论(0) 分类 VOA2003(下)-发展与科学

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(89) / 评论(0) 分类 漫画搞定六级词汇(文本+音频)

This is the VOA Special English Development Report. Researchers say they have found a way to extend the storage life of a drug used to treat H.I.V. Their work could give infected mothers in the developing world a new way to prevent the spread of the

发表于:2018-12-16 / 阅读(94) / 评论(0) 分类 2010年VOA慢速英语(五)月

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(118) / 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(70) / 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(117) / 评论(0) 分类 英语六级听力练习集锦

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(275) / 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(114) / 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(134) / 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(83) / 评论(0) 分类 2015年VOA慢速英语(三)月

Several accords signed to boost relations between Turkey and Cameroon Ntaryike Devine, Jr. | Yaounde, Cameroon 17 March 2010 It was the first trip to Africa for the Turkish president, who arrived in Cameroon yesterday accompanied by 120 businessmen,

发表于:2019-01-13 / 阅读(108) / 评论(0) 分类 VOA标准英语2010年(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(97) / 评论(0) 分类 澳洲ABC新闻快递2015年

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(115) / 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(157) / 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(80) / 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(94) / 评论(0) 分类 step by step 3000 第一册

U.S. retail sales fell half a percent in June providing more evidence that the U.S. economic recovery will slow down in the second half of the year. But the weaker than expected consumer spending appeared to have little impact on Wall Street as inves

发表于:2019-02-05 / 阅读(99) / 评论(0) 分类 VOA标准英语2010年(七)月

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(89) / 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(75) / 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(81) / 评论(0) 分类 万物简史
学英语单词
access to classified information
animous
anthracene carboxylic acid
ashla
baccare
basic format generator
beoff
bulk conductive glass
caldow
cheek teeth
commotio thoracis
compliance voltage
computer-assisted management
Copano Bay
court expert
craptop
cup chuck
dease
degradated failure
directional line
electric insulating materials
enamelcovering
engineered cost
Euler-Lagrange differential equation
executive program
expansive soil
explicitness
fat-soluble
fellow-countryman
florally
fundamental longitudinal mode
gamma photography
gaseous
gohlkes
gordonia soli
gray hat
groundeles
halogen ester
hmb-45 antibody
hottingmask
hover dredger
hydrosulphate
hyphenated American
incinerate
innerst
interadios
intromitting
inven
kilovoltampere-hour
krushchev
leave-takings
liquor phenylephrinae hydrochlordi
litsea rubescens lec.
Lonicera hypoleuca
maritime mobile satellite band
Mirza
monothem
munckcorn
nature-society
netonian fluid
non-governmental organisations
notchbacks
odd-come-shortly
open - air theater
output enable
partical velocity
Parvathy
Petrovichi
pocket flask
precision template
prediction of failure
press water
processus retroarticularis (oss. temporalis)
prussian asparaguss
pulse accelerator
reconnaissance receiver
red-bed deposit
Rhynchosauridae
rotary pelleting machine
round washer with square hole
RPI (rows per inch)
scram function curve
screedings
shirtcut
silverspot
snake venom phosphodiesterase
stable gears
streetsful
swoopers
taking me down
the root-meansquare velocity of molecular
Tokmovo
toxic lachrymator
tracking gate field of view
tuberculous cervicitis
up to sample
user-base
Waikaremoana
wedding announcement
weiwei
young stand cultivator
Zinkvredenburgit