单词：geminal diamines
单词：geminal diamines 相关文章
For many foreigners, part of the attraction of China is its mysterious and ancient splendor. But what attracts Chinese people? It was something that Paloma Sanchez, a certified GIA gemologist from Spain, had to learn through first-hand experience. Pa
2016CRI中国国际广播电台
A gem stone plucked from the earth, the sea, or riverbed, often travels across continents to cutting and polishing workshops; and those are increasingly found in India. Far away, the Belgian city of Antwerp is still king in diamond trading. In these
VOA标准英语2008年（九月）
The global trade in precious stones is a multi-billion dollar business. It touches the lives of people in the mines of South Africa, stone cutters of India, and countless others around the world. These precious gems adorn, kings, queens, movie stars
VOA标准英语2008年（九月）
They are hacked out of the earth, cut, polished and bought and sold along the way -- to finally be shown in all their glory. Gems, these tiny bits of mineral formations from the mines of South Africa, Burma, Brazil, Colombia, Russia or Canada eventu
VOA标准英语2008年（九月）
Precious stones and metals have long held an attraction, sometimes a fatal one. The gem trade is a multi-billion dollar business, and precious stones are a highly prized commodity. This has helped some countries develop into success stories and has
VOA标准英语2008年（九月）
Marcos Mcpeek Villatoro : My father worked in the coal mines of Kentucky. It was his last job before he retired. After a life moving from one mechanic's shop job to another, this was a real job, said the friend who offered it to him. Sure, it was ri
2009年NPR美国国家公共电台7月
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英文魔法师字源大挪移
By Carolyn Weaver New Haven, Connecticut 11 June 2007 Yale University in New Haven, Connecticut is known for its neo-Gothic campus, 20th century buildings in the style of medieval Europe. But the university is also home to several treasures of modern
2007年VOA标准英语（六月）
By Jill Moss DEVELOPMENT REPORT - January 21, 2002: Clearing Land Mines in Afghanistan This is the VOA Special English Development Report. Each year, thousands of people are killed or injured by explo
农业与发展
BEIJING, Feb. 25 (Xinhua) -- China's safety watchdog said Monday it will no longer approve new coal mines that do not meet production capacity requirements in 2013 in order to ensure work safety. High-gas coal mines with an annual production of less
英语新闻
Scientists have identified a unique genetic mutation in about 10 percent of people with type 2 diabetes(糖尿病) studied in the United States and Europe. The discovery could help some people learn if they are at risk of developing diabetes so they
英语新闻
EXPLORATIONS -- a program in Special English by the Voice of America. (MUSIC) Today, Shirley Griffith and Tony Riggs complete a report about America's second manned space program, Gemini. Its purpose was to bring the United States closer to its goal
VOA慢速英语2009年（七）月
The Gem State, the Land of Lincoln and the Crossroads of America... Now, the VOA Special English program Words and Their Stories. As we told you last week, every American state has a nickname. Here are some more of them. Idaho is known as the Gem Sta
2014年VOA慢速英语(七)月
By Phuong Tran Dakar 23 May 2007 The first international human rights film festival to take place in Bangui, Central African Republic, has ended. During the week-long festival, about 15,000 people saw 10 films. Festival organizers say they were under
2007年VOA标准英语（五月）
During the summer vacation, I took my children to visit the Creetown gem rock museum, in Scotland. It is highly recommended, as it is the leading independent gem rock museum in the whole of the UK. We travelled about fourty five minutes to get there,
英语博客 A cup of English
By Shahnawaz Khan Srinigar 29 October 2007 The International Committee to Ban Land Mines has been urging nations around the world to ban land mines. While India has resisted the ban because of security issues on its borders, an alliance of insurgents
2007年VOA常速英语（十月）
英国独立音乐才女 Natalie Lungley 最新单曲《Gem》！她的嗓音又有点像阿黛尔，只是少了些沧桑感，高音不似 Lana Del Rey 那样空灵，但是有自己特色。期待她有更多的作品。 歌词： I've told you a
流行英文歌曲
歌词： I've told you a thousand times I can see too much hate in your eyes So light up another one And walk away 'cause you've done wrong Lay down on the dirty ground Lay down 'cause they don't want you It's a waste of time No they don't want you
英文最新流行歌曲
BEIJING, Nov. 24 (Xinhua) -- China's workplace safety authorities on Saturday required tougher standards on reopening coal mines in production suspension in the wake of a deadly coal mine accident. Some coal mines were ordered to suspend production d
英语新闻