铸造铝合金

3 Listen carefully to the conversations and short passages [00:07.99]and choose the best answer to each of the questions. [00:13.56]1.A)She is pitiful. B)She is too shy to apply. [00:33.41]C)They are afraid of her. D)She is intelligent. [00:41.27]2.(

发表于:2018-12-01 / 阅读(323) / 评论(0) 分类 大学六级听力模拟题

What Makes White Gold White? Many people associate the metal gold with the color gold. But, some gold jewelry is not golden at all: its white. 图片1 Golden Color Gold is one of the heaviest and softest metals. Pure gold, called 24-carat gold, is so

发表于:2018-12-05 / 阅读(158) / 评论(0) 分类 英语听力文摘 English Digest

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(138) / 评论(0) 分类 2010年VOA慢速英语(五)月

New Documentary Explores Aluminum's 'Dark Side' Aluminum is everywhere, including in products that make us feel better, safer and cleaner. Like antacids, sunscreen and antiperspirants. But Austrian filmmaker Bert Ehgartner says theres another side to

发表于:2018-12-16 / 阅读(128) / 评论(0) 分类 VOA标准英语2013年(五月)

'Metal Muscles' Flex a New Bionic Hand 德国科学家发明新的仿生手 Artificial limbs, including the most complex of them the human hand are getting more life-like and useful due to constant advances in tiny hydraulic, pneumatic and electric m

发表于:2018-12-16 / 阅读(105) / 评论(0) 分类 VOA标准英语2015年(七月)

Many people associate the metal gold with the color gold. But, some gold jewelry is not golden at all: its white. 很多人都认为金子就应该是金色。但一些黄金首饰的颜色并不是金色,而是白色。 Golden Color 金色 Gold is

发表于:2018-12-28 / 阅读(122) / 评论(0) 分类 初学者听力文摘精选

That budget now stands at $5,400 million a yeara staggering sum, though somewhat less than we pay for cigarettes and cigars every year. Space expenditures will soon rise some more, from 40 cents per person per week to more than 50 cents a week for ev

发表于:2018-12-30 / 阅读(148) / 评论(0) 分类 名人励志英语演讲

What Makes White Gold White? Many people associate the metal gold with the color gold. But, some gold jewelry is not golden at all: its white. Golden Color Gold is one of the heaviest and softest metals. Pure gold, called 24-carat gold, is so soft th

发表于:2018-12-31 / 阅读(169) / 评论(0) 分类 英语听力文摘 English Digest

个人情况: Name: ******** Sex: Male/Female Date of birth:June 2,1975 Address: ***** Marital Status: Single/Married Post Code: 100001 Height: 1.70M Weight: 50 kg Health: Excellent E-mail Address:

发表于:2019-01-06 / 阅读(124) / 评论(0) 分类 实用英语

Copper Metal Kills Viruses on Contact 铜能杀死细菌和病毒 Even in the world of medicine, what is old is new again. 医药界也刮起了复古风。 Thousands of years ago, Egyptians used it to sterilize drinking water. Ancient Romans, Aztecs

发表于:2019-01-12 / 阅读(211) / 评论(0) 分类 2016年VOA慢速英语(二)月

Various stages of cartilage growth on scaffold. The final image on the right shows naturally forming cartilage for comparison. These replacement joints can be made of combinations of metal alloys, plastic and ceramic, but new research shows that it m

发表于:2019-01-13 / 阅读(177) / 评论(0) 分类 VOA标准英语2010年(八)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(146) / 评论(0) 分类 VOA标准英语2010年(三月)

AUDIE CORNISH, HOST: The White House is postponing most of its steel and aluminum tariffs for at least another month. Tariffs were due to kick on - to kick in on a number of countries at midnight tonight. They're part of a broader effort to crack dow

发表于:2019-01-16 / 阅读(212) / 评论(0) 分类 2018年NPR美国国家公共电台5月

DAVID GREENE, HOST: A lot of the aluminum and steel we use here in the United States is imported from other countries. And that, according to a report from the Commerce Department, is a threat to national security. Last week, department officials rec

发表于:2019-01-16 / 阅读(167) / 评论(0) 分类 2018年NPR美国国家公共电台2月

the die is cast是木已成舟、大局以定的意思。据牛津词典记载,“the die is cast”,这一成语是指骰子巳经掷出,犹如覆水难收一般。 这一成语在1592年上演的

发表于:2019-02-01 / 阅读(246) / 评论(0) 分类 英文名句短语

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(142) / 评论(0) 分类 VOA标准英语2010年(七)月

Congratulations, you've arrived on the hottest surface in the solar system. Here, the official temperature is eight hundred seventy degrees Fahrenheit. Day or night, equator or pole, the searing heat never varies more than a few degrees, and thats wh

发表于:2019-02-15 / 阅读(202) / 评论(0) 分类 自然百科2012年

Nitinol Nitinol is one of the most extraordinary metals to be discovered this century: A simple alloy of nickel and titanium, nitinol has some perplexing properties. A metal with a memory, it can be made to remember any shape into which it is fashion

发表于:2019-02-17 / 阅读(170) / 评论(0) 分类 双语有声阅读

ArcelorMittal will launch a new high-strength automotive steel later this year, throwing down the gauntlet to its rivals in the race to make cars lighter. 安赛乐米塔尔(ArcelorMittal)将于今年晚些时候发布一款新型高强度汽车用钢,

发表于:2019-02-18 / 阅读(142) / 评论(0) 分类 英语新闻

Calculationsofthedensityofalloys basedonBernal-typemodelsofthe alloysmetalcomponentagreedfairly wellwiththeexperimentallydetermined valuesfrommeasurementsonalloys (55)consistingofanoblemetaltogether wi

发表于:2019-02-26 / 阅读(137) / 评论(0) 分类 英文语法词汇
学英语单词
-mas
Acervoschwagerina
address depletion
al waqra
Alexander Nevsky
allostatic
artabotrys stenopetalus merr.et chun
ator
backward association
betray
biorefinery
bipolar amplifier
black dog
booker t. washingtons
box tappet
buffer head
calliodentalium crocinum
community centre
cyproquinate
dance of salome
dihydroxy cyclobutenedione
direct expenditure
double chopping action
ecojustice
eisy
Endospermum chinense
esker ridge
euglena mutabilis
expenditure-switching policy
ferrum citricum
flash forward
greade
hemophthalmos
Hinakura
hyperreiterated DNA
Indocalamus decorus
instea
intrarchachidian
introgen fixation
Kaluza theory
kiddy
labeled algorithm
lime-soda feldspar series
lingences
low temperature pump
memory shared multi processor
narrative message
nonvibratory tinnitus
nowruzs
oil conditioner
onlay bone grafting
over-reckon
overall selection
pacaranas
peacemanship
pellage
performance-based teacher education (pbte)
plasma cell granuloma
plausibility analysis
pole-pad
polestrength
polyzoon
premonstrators
printing type
propylene trimer
pseudocyst of the auricle
pulse-rates
respect property
responsible person
restinguished
retrojects
sankofa
scareware
scissorer
seaming lace
shortcuts
single cropping of rice
skated
SPOOL processing
straight neck roll
summer shoot
swiss-style
switched networks
table handing module
tailoredist
taken to be
teachers course
technical costs
tele-surgery
the east indies
thunder blows upon
track selection method
two-level controller with overlap
tympanoplasty
under hatches
under water log
uromyces kawakamii
vector length register
veethread
villainsly
Yumbel
zeolite softening