单词：Permendur alloys
单词：Permendur alloys 相关文章
Lesson 18 Should Women Be Treated the Same as Men? Text For Women, There Is a Long Way to Go One-third of the people at work in Britain are women. By 1975 they will, by law, be on a footing of equal p
高级口语教程
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
英语听力文摘 English Digest
'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
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
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
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
英语听力文摘 English Digest
Yvonne: This is 6 Minute English, I'm Yvonne Archer - and Ive been joined by Rob. Hello Rob! Rob: Hello Yvonne. Yvonne: Now Rob, you may not know this, but experts say that men are the weaker sex. Can you explain that term for us please, the weaker s
六分钟英语
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
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
VOA标准英语2010年(八)月
BBC Learning English London Life Thames watermen and lightermen [Barge FX] William:A sound familiar to all Londoners - a noisy boat moving along the River Thames. [End FX] My names William Kremer and this is London Life. The people who move boats al
伦敦生活
Are men really from another planet? A lot of women think so. There are a lot of books about how strange men are. This is rubbish. Men are men, the same as women are women. Of course men are not perfect, no one is. Men actually have done a lot of bad
纯正英语一分钟
☆T A T U Gomenasai对不起 What I thought wasn't mine In the light Was one of a kind, A precious pearl When I wanted to cry I couldn't cause I Wasn't allowed Gomen nasai for everything Gomen nasai, I know I let you down Gomen nasai till the end I
经典英文歌曲
A husband, proving to his wife that women talk more than men, showed her a study which indicated that men use on the average only 15,000 words a day, whereas women use 30,000 words a day. She thought about this for awhile and then told her husband th
趣味英语
What are men really like? Men are like.....Bank Accounts. Without a lot of money they don't generate much interest. Men are like.....Bike helmets. Handy in an emergency but otherwise they just LOOK SILLY. Men are like.....Computers. Hard to figure ou
趣味英语
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
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
双语有声阅读
Men, summed up: The nice men are ugly. The handsome men are not nice. The handsome and nice men are gay. The handsome, nice and heterosexual men are married. The men who are not so handsome, but are nice men,have no money. The men who are not so hand
趣味英语
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，
英语新闻
Calculationsofthedensityofalloys basedonBernal-typemodelsofthe alloysmetalcomponentagreedfairly wellwiththeexperimentallydetermined valuesfrommeasurementsonalloys (55)consistingofanoblemetaltogether wi
英文语法词汇