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Scientists know that the combination of extreme heat and pressure changes carbon into diamonds. Such heat and pressure exist only in the hot, liquid mass of molten rock deep inside the earth. It is th

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The preservation of embryos and juveniles is a rate occurrence in the fossil record. The tiny, delicate skeletons are usually scattered by scavengers or destroyed by weathering before they can be foss

英语国际音标四、元音后置型

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VOA慢速英语2014 Rare Minerals May Be in North Korea 稀有矿物质可能在朝鲜发现

Rare Minerals May Be in North Korea 稀有矿物质可能在朝鲜发现 Hello and welcome back. Im Jim Tedder in Washington. Today we are going to talk about something that is worth a lot of money, and it is buried in the ground. Were not exactly go

美国国家公共电台 NPR Drugs For Rare Diseases Have Become Uncommonly Rich Monopolies

STEVE INSKEEP, HOST: We have an investigation this morning of drug companies gaming a system designed to help desperate patients. It's a story of orphan drugs. DAVID GREENE, HOST: These are life-saving drugs that pharmaceutical firms don't develop be

Rare but Deadly

Rare but Deadly By Susan Brink /2005, U.S. News World Report . All rights reserved with permission. Distributed by Tribune Media Services International. Simple, cheap blood tests could save thousands

SSS 2009-02-23

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Were on the verge of finding out how frequently habitable planets occur in the universe. That was astronomer Alan Boss at the AAAS meeting on February 14th. And I thin

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电影词典 Psycho 《精神病患者》 美国俚语 剧中：Your partner blow it . blow it 彻底搞砸 e.g. 1This is your last chance to make the team , don't blow it . 这是你最后一次机会进入球队，可别搞砸了。 2I blew my chan

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Pre-Listening Vocabulary rare: not common irrational: not reasonable classified: grouped by like qualities provoke: to excite or bother a living thing and cause a reaction initiate: to be the one to start something delicacy: a type of food that is ra

VOA常速英语2007-Rare Photographs Show Holocaust Perpetrators

By Malcolm Brown Washington 09 October 2007 A collection of newly available photographs is shedding fresh light on those who carried out the Nazi holocaust. The public now has the chance to see the contents of an album, thought to have belonged to a

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This is the VOA Special English Economics Report. Today we continue our report on the group of chemical elements known as rare earth metals. These are mined from the earth and used to make technology from mobile phones to missiles. The United States

VOA标准英语2008年-Eva Lee has Rare Triple Opportunity for US in O

By David Byrd Washington 29 May 2008 For most Americans, badminton is a backyard game played at parties and barbecues. But for Eva Lee, it is very serious - she is one of five members of the U.S. Badminton team that will be competing for gold at the

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音乐咖啡厅:When you say nothing.尽在不言中

我听之我见： 没有大珠小珠落玉盘，没有急急切切如嘈雨，我没有白居易的神来之笔，能将一首曲子描写得维妙维俏。我只知道，想听歌的时候，就会想起它。走路的时候听着它，会不由得放慢脚步；心情烦躁的时候听着它 Lyrics When you say nothing at all by Alison Krauss

China's rare earth policy justified: spokesman

BEIJING, March 15 (Xinhua) -- China's restrictions on rare earth exports are justified and are in line with World Trade Organization rules, Shen Danyang, spokesman for the Ministry of Commerce, said Thursday. The policy aims to protect resources and

2016年CRI China to Complete Rare Earth Industry Restructuring by Mid-2016

China is the world's largest producer and exporter of rare-earths. These are elements which are critical to the manufacturing of high-tech products, including smartphones, wind turbines and car batteries, among other things. However, the rare-earth i

CCTV9英语新闻：China scraps quotas to meet WTO ruling

China has scrapped a quota system that was intended to restrict rare earth exports. The move involves 17 metals used in high tech sectors, it's aimed at complying with a World Trade Organization ruling released last year. The Ministry of Commerce iss

非洲有望打破全球稀土供应格局

Vital for so many modern technologies, rare earths remain among the most sought-after minerals on the planet. It was recently suggested at the American Association for the Advancement of Science that the sea beds should be mined for them. 对如此多现

CCTV9英语新闻：China announces new sanctions targeting DPRK's mining sector

BEIJING, April 5 (Xinhua) -- China on Tuesday announced embargoes on some imports from and exports to the Democratic People's Republic of Korea (DPRK). In terms of imports, China banned purchases of coal, iron ore, gold, rare earths and several other

CCTV9英语新闻：Rare tiger cubs born at Czech zoo

Two extremely rare Bengal white tiger cubs have been born at the wildlife center of the Czech Republic's Liberec Zoo, and are proving popular with visitors. These tiger cubs weigh 6 kilos 13 pounds, and were born two months ago. White tigers are the