单词：rolled zinc alloys
单词：rolled zinc alloys 相关文章
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
[00:21.16]The Shadow [00:25.16]影子 [00:31.69]At first it would be puzzling [00:34.19]but almost inconsequential things [00:37.00]such as lights being on that I was positive I turned off [00:41.28]when I left that morning [00:42.76]or objects mysteri
英语灵异故事
'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
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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
Johnny-Cake 玉米饼 Once a little old woman and a little old man and a little boy lived in a little old house. 从前，一个小老太太、一个小老头和一个小男孩住在一座破旧的小房子里。 One day the little old woman made a r
美国小学英语教材1
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
SCIENCE IN THE NEWS - From A to Zinc: The Story of Vitamins By Nancy Steinbach Broadcast: Tuesday, March 29, 2005 (MUSIC) VOICE ONE: I'm Bob Doughty with Phoebe Zimmermann, and this is the VOA Special
科技之光
Zinc supplements reduce the average cold by about a day and also make symptoms（症状） less severe, according to the latest findings. There's no cure for the common cold, but there's no shortage of ways to treat the symptoms. For a number of year
英语新闻
to go haywire 火冒三丈,非常生气 美国的农民一般都是用一根细的铁丝把乾草一捆捆地捆起来。这种捆乾草的铁丝在英文里叫做：haywire。每当一个农民要喂牲口的时候，他就用斧头把铁丝砍断。可
美国俚语
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
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Do you remember by Jack Johnson Do you remember by Jack Johnson Do you remember when we first met? I sure do It was some time in early September You were lazy about it, you made me wait around I was so crazy about you, I didn't mind So I was late for
好听的英文歌曲
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
我们经常把非常快乐或值得庆贺的日子称为red-letter day，日历上也把节日用红色标示。但是你知道这样的习俗是什么时候开始形成的吗？ red-letter day是一个有着非常悠久历史的短语，其最初的应
英语口语
Calculationsofthedensityofalloys basedonBernal-typemodelsofthe alloysmetalcomponentagreedfairly wellwiththeexperimentallydetermined valuesfrommeasurementsonalloys (55)consistingofanoblemetaltogether wi
英文语法词汇