[化] 过渡金属元素

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(324) / 评论(0) 分类 疯狂英语2004年

[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(353) / 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(165) / 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(179) / 评论(0) 分类 天天商务口语

Grammar Girl here. Today, Bonnie Trenga will help us choose better transition words. This article could make you a tad hungry, because today were comparing the art of writing to the art of making a sandwich. In fact, just for today, we might need to

发表于:2019-01-02 / 阅读(203) / 评论(0) 分类 英语语法 Grammar Girl

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(212) / 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(251) / 评论(0) 分类 2017年VOA慢速英语(十一)月

In 1963, President John Kennedy gave a famous speech at American University. In the speech, Kennedy said the following lines: Our problems are manmade; therefore, they can be solved by man. And man can be as big as he wants. No problem of human desti

发表于:2019-01-03 / 阅读(210) / 评论(0) 分类 2017年VOA慢速英语(九)月

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(218) / 评论(0) 分类 Scientific American(九)月

Monday's meeting at the White House between President George Bush and President-elect Barack Obama is the latest symbol of a presidential transition that appears to be moving ahead smoothly, at least initially. VOA National correspondent Jim Malone

发表于:2019-01-09 / 阅读(235) / 评论(0) 分类 VOA标准英语2008年(十一月)

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(199) / 评论(0) 分类 VOA标准英语2016年(三月)

今天我们要学的词是transition。 Transition, 是过渡的意思。A smooth transition, 就是平稳过渡。古巴总统卡斯特罗宣布辞去国务委员会主席的职务。美国总统布什表示,希望古巴能由此开始向民主过渡

发表于:2019-01-25 / 阅读(223) / 评论(0) 分类 英语每日一词

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(205) / 评论(0) 分类 经济学人财经系列

By Al Pessin Pentagon 19 October 2007 The U.S. military's effort to rebuild major infrastructure in Iraq will be winding down during the coming year, leaving the Iraqi government to fund the effort and to find engineers capable of handling the projec

发表于:2019-01-31 / 阅读(227) / 评论(0) 分类 2007年VOA常速英语(十月)

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(173) / 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(188) / 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(191) / 评论(0) 分类 英国学生科学读本

NATO's secretary-general says foreign forces in Afghanistan will remain on combat duty during the scheduled transition to Afghan security control in 2014. That statement by Anders Fogh Rasmussen came after U.S. Defense Secretary Leon Panetta said Ame

发表于:2019-02-08 / 阅读(205) / 评论(0) 分类 英语新闻

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(206) / 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(166) / 评论(0) 分类 英语新闻
学英语单词
a gulp
abdominal fissure
acrid condiment
actino-dielectric effect
amine precursor uptake decarboxylation
ammonium cyanoaurate
army standard score
auntliest
backs-to-front
bartisan
basolateral nuclues of amygdala
Battle of Puebla
bifoliums
bindas
bladder press
body politic
bootstrap record
bothersomely
bruchac
call-centre
caput radiale
Cash Flow Loan
cat-chain
celestial computation
coating plastic
coaxial antenne
compound vowel
contract worker
dissipation power
dollars and cents
DQ Herculis
eating away
electrostatic galvanometer
endosiphocone
expanding reach
fano bugt
fezes
fight-the-power
fool sage
fortunata
Geitdalur
genus Spraguea
geste
glutaredoxin
googly-moogly
gourd vegetables
Grutness
gymnastics
haecceitist
heat of sublimation
hemophilic
household words
housing need
how it works
hurtfull
intravehicular activities
jokela
k-l
Koundara
language membership proof system
lobbyers
longitudinal tubule
loss carryovers
low pump
magel
mediates
mesne assignment
micro flame photometry
MTIE
multi-axial stress
N-methyl-N-nitro-N-nitrosoguanidine
Nangala
ndolas
Nicolet
on-therapy
ophitoxemia
pandemonic
photoetched
Podvolok
program directed control method
public data
pyramidic space frame
ribbon vibrator
rice bran
scoriaceous block
scorpion fly
series of natural number
single-shield soild enclosure
square matrixes
sweetened
Taberville
Talk out of your hat
the present tense
thymus-independent cells
tjanting tool
two-position differential gap control
unbarbarous
venins
win the heart of someone
wruxled
xlviest