烧结金属抛光

Vision of the Future For nearly all of his 86 years, architect Jacque Fresco has been designing cities of the future. Fresco’s structures all derived from a simple form that 1) fascinated him as a b

发表于:2018-11-28 / 阅读(218) / 评论(0) 分类 疯狂英语2004年

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(303) / 评论(0) 分类 VOA2003(下)-发展与科学

[00:01.00]Module 2 Developing and Developed Countries [00:09.22]Vocabulary and Listening [00:11.93]Activity 3 Check the meaning of these words [00:16.06]Now listen to the conversation and tick the topics you hear. [02:34.36]Activity 4 Listen again ch

发表于:2018-12-04 / 阅读(284) / 评论(0) 分类 外研社新标准高中英语必修(1-4)

Archimedes was a Greek scientist. He lives in Syracuse nearly 200 years ago. The King of the land wanted to wear a Golden Crown. He gave some gold to a goldsmith to make a suitable crown. After few days, the goldsmith brought the finished crown to th

发表于:2018-12-08 / 阅读(107) / 评论(0) 分类 英汉幽默故事选读

第一句: We have been importing and exporting all kinds of metals and minerals for thirty years. 我们经营各种金属和矿石的进出口业务已经有30年了。 A: We have been importing and exporting all kinds of metals and minerals for

发表于:2018-12-26 / 阅读(135) / 评论(0) 分类 天天商务口语

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

Scientists Find Large Amounts of Precious Metals in Wastewater In recent months, stories about sewers getting clogged have made international headlines. For example, a so-called fatberg, a mass of grease and diapers, clogged London's sewers. A new st

发表于:2019-01-03 / 阅读(192) / 评论(0) 分类 2017年VOA慢速英语(十一)月

589 、 受迫振动 forcedvibration 590 、 受迫振荡 forcedoscillation 591 、 和谐 harmony 592 、 周转齿轮;行星齿轮 epicyclicgear 593 、 固定夹;台夹 benchholdfast 594 、 固定

发表于:2019-01-03 / 阅读(152) / 评论(0) 分类 英文名句短语

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Thars gold in them thar hillsand we may have meteorites to thank. Because it appears that a rain of meteors nearly 4 billion years ago peppered the Earths

发表于:2019-01-08 / 阅读(161) / 评论(0) 分类 Scientific American(九)月

THIS IS AMERICA - Athletes Battle Extreme Conditions in Arrowhead 135 BARBARA KLEIN: Welcome to THIS IS AMERICA in VOA Special English. I'm Barbara Klein. STEVE EMBER: And I'm Steve Ember. This week on our program, we tell you about an extreme winter

发表于:2019-01-12 / 阅读(105) / 评论(0) 分类 2012年VOA慢速英语(二)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

Gold, Oil Prices Up as Investors Seek Safe Haven 投资者寻求避险:黄金、石油价格上涨 NEW YORK The up-and-down prices of oil and gold mirror the unsettled world situation, and both reflect the economic squeeze most nations currently face

发表于:2019-01-14 / 阅读(134) / 评论(0) 分类 VOA标准英语2016年(三月)

The fumes of burning sulphur will bleach straw, silk, and other things, and make them white and clean. These fumes are also useful for killing the germs which cause fevers and other diseases. 燃烧的硫磺冒出的烟,可以漂白稻草、丝绸和

发表于:2019-01-17 / 阅读(165) / 评论(0) 分类 英国学生科学读本

Finance and Economics;The London Metal Exchange;Metal cashing;Who wants to buy the LME? 财经;伦敦金属交易所;金属兑现;谁会买下LME? The sight of a pack of adults shouting at each other is rarely edifying. Unless, that is,

发表于:2019-01-27 / 阅读(147) / 评论(0) 分类 经济学人财经系列

当获悉某人晋升或是在事业上取得巨大成就时,应该打个电话或是写封便签祝贺。这种友好往来对建立和巩固友好的商业合作关系大有益处。 Here are some principles that congratulatory letters follow: 1.

发表于:2019-02-04 / 阅读(119) / 评论(0) 分类 实用英语

The owner of the London Metal Exchange aims to target Chinese commodity traders concerned by speculative excesses on the countrys domestic bourses, with plans to establish a physical metals trading platform in mainland China next year. 伦敦金属交易

发表于:2019-02-05 / 阅读(137) / 评论(0) 分类 英语新闻

Lesson 37 All About A Penny 第37课 关于便士 When I was a little boy, pennies, and halfpennies, and farthings were made of pure copper. But copper is too soft a metal to stand the rubbing which coins get. So these old pennies soon became so smoo

发表于:2019-02-07 / 阅读(132) / 评论(0) 分类 英国学生科学读本

Harrowing Minnesota Race Tests Endurance Last year, overnight temperatures plummeted to minus 31 degress Celsius. The year before, minus 37. That year, cyclist Jason Buffington saw one of his friends - a fellow racer - who'd stopped. I came up on Cha

发表于:2019-02-08 / 阅读(138) / 评论(0) 分类 VOA标准英语2012年(二月)

Metal, heal thyself 金属,自己愈合吧 Materials science: Researchers have devised an ingenious way for the damaged surfaces of metals to repair themselves when they come to harm 材料科学:研究人员构想出了一种新颖独特的方法,

发表于:2019-02-17 / 阅读(151) / 评论(0) 分类 经济学人综合

Vale, the worlds biggest iron ore miner, and Fortescue Metals Group have forged an agreement aimed at boosting their competitiveness in the key market of China, and giving the Brazilian company a foothold in the ore-rich Australian Pilbara region. 世界

发表于:2019-02-18 / 阅读(115) / 评论(0) 分类 英语新闻
学英语单词
accepted theory
acetic acids
Adebucal
admount
adrenokinetic
Aitken, John
allatas
Amorpha fruticosa
ATNAV
bispectrum
black americans
bleche
Brachmann
buggered me
cable modem termination system
carbidechlorinatio
carboxyverazid
cataracta cerulea
central branches
certain price
chronic toxicity
circus cyaneuss
clean diesel oil tank
cockwomble
commercial instruments
cylinder double layer sand siftering machine
dial exchange area
diaphragm return spring
dioecious(gonochoristic)
disempowerment
Djoumboul
domains
dootsie
draw-bar height
electric treadle
epirotin
ethomerous
fanships
feeder roads
female chrous
fence sth off
filtration fraction
force polarization
foxcroft
frozen foodss
gaggling
genus atheruruss
Home Dockyard Regulations
iminos
inhibitively
kite balloon airship
knotted list
Kort nozzle rudder
liability company
liquefied ammonia
liquid sloshing dynamics
maximum percentage deviation
monkhood
oesophagoal sympathetic nervous system
organoboranes
orthogonal function
palladates
phosphite ester
pine caterpillars
platable
pressure resistant test
pretympanic
pyrophosphate method of electro-plating
QMAC
quadruped mast
quiescent operating point
Quiterajo
reactive confusional state
reciprocal trihedral
responsive planning
sanmina-sci
scalariform-opposite pitting
seakeeping data analysis center
semi-manufactured product
single entry system
solid color
start stop time
starting-handles
Stranorlar
straw chopping
sulphamidates
take off an embargo
telephone plant
territorial scope
tick on
transsulfurase
triangulary
uldumont
urea solution
us cd
v. occipitalis
visible ore
wellfruited
West Pensacola
wirehouses
ynke
zygomaticomaxillary suture