英语听力文摘 English Digest 664 白金为何是白色的

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

VOA标准英语2013--Talks With Russia in Spotlight as Kerry Visits Berlin

Talks With Russia in Spotlight as Kerry Visits Berlin U.S. Secretary of State Kerry's visit to Berlin is short but significant. With some recent tensions simmering between the U.S. and Russia, his talks with Russian foreign minister Sergei Lavrov are

VOA常速英语2015--德国科学家发明新的仿生手

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英文书摘精选 What Makes White Gold White?白金为何是白色的?

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

英语听力文摘 English Digest 620、白金为何是白色的？

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

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2006年VOA标准英语-New Violence Hits Nepal as Opposition Call

By Anjana Pasricha New Delhi 23 January 2006 Students chant slogans next to burning tires during an anti-king demonstration in Katmandu, Monday, Jan. 23, 2006 In Nepal, new fighting between security f

VOA慢速英语2016 铜能杀死细菌和病毒

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

2006年VOA标准英语-US Seeks to Heal Rift Between Key Anti-Terror A

By Gary Thomas Washington 26 September 2006 President Bush is set to host a tripartite meeting with the leaders of two of the nations in the anti-terrorism fight. Presidents Pervez Musharraf of Pakistan and Hamid Karzai of Afghanistan will join Pres

VOA标准英语2010年-Regrowing Worn Joints Using Patient St

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常速英语2007年-Anti-Cholesterol Drugs May Help Cut Risk of Alz

By Melinda Smith Washington 07 November 2007 Cholesterol reducing drugs are some of the most common medications prescribed around the world. They are highly beneficial in reducing heart disease. Now they are gaining new respect as a drug that may del

2006年VOA标准英语-Nepal's Government Prepares to Halt Anti-R

By Anjana Pasricha New Delhi 04 April 2006 The Nepali government is making plans to halt an anti-monarchy strike due to be held in the capital later this week. Maoist rebels, however, have declared a

2006年VOA标准英语-Large Scale Anti-Taleban Offensive Under Way in

By Benjamin Sand Islamabad 14 June 2006 The U.S.-led military coalition in Afghanistan has launched a massive combat and reconstruction operation in the country's southern provinces. Officials say thousands of troops are sweeping through the Taleban

2006年VOA标准英语-Factional Violence Fuels Anti-American Res

By Alisha Ryu Nairobi 09 May 2006 In recent months, Mogadishu, Somalia has become a deadly battleground between militias loyal to Islamic courts and a newly formed anti-terror coalition that is believ

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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

双语有声阅读：镍钛合金

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

安赛乐米塔尔将发布新型高强度汽车用钢

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，

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

2016年CRI A Camel Tattooed with Datura Stramonium on Display in Beijing

Yang Maoyuan is a Chinese multidisciplinary artist particularly noted for his taxidermy techniques to misshape an animal, like camels and horses. He has recently had a piece of his artwork on exhibition at the Beijing Minsheng Art Museum. The artist