伴生矿物;组合矿物

Mineral Smuggling Losses Said to Cost

By David Lewis A natural resources watchdog group issued a report Tuesday warning that smuggling and corruption are costing the Democratic Republic of Congo millions of dollars a month in lost revenue

发表于:2018-12-08 / 阅读(64) / 评论(0)

VOA2004（下）--世界经济

趣味青春英语电台第53期:Make my day

Idiom: Make my day ( make someone happy ) Hit the book: Precious Crystal Mineral Emerald Ruby

发表于:2018-12-27 / 阅读(64) / 评论(0)

趣味青春英语

VOA标准英语2012--Harnessing the Mineral Wealth of Poor Countries

Harnessing the Mineral Wealth of Poor Countries 新方针指导贫穷国家正确利用其丰富矿藏 Developing countries with potential mineral riches have often fallen prey to corruption and mismanagement. As a result, theyve failed to benefit fr

发表于:2019-01-14 / 阅读(50) / 评论(0)

VOA标准英语2012年(二月)

Korean Aid to Help Unearth Cameroon’s Mineral Resources

Cameroon's new mineral research center will begin operations this year. South Korean mining researchers are making trips to Cameroon to determine the overall cost of the facility, to be located in the capital, Yaounde. They say the center will cost s

发表于:2019-01-14 / 阅读(89) / 评论(0)

VOA标准英语2011年(二月)

Afghanistan Maps Natural Mineral Resources

Afghanistan has become the first country to map its natural mineral resources using an advanced remote sensing technique known as hyperspectral imaging. The mapping, a collaborative effort between the U.S. Geological Survey and the Afghan Geological

发表于:2019-02-18 / 阅读(125) / 评论(0)

英语新闻

托福词汇之水

gullet 水道 stream, brook 小溪 rapids 急流 whirlpool 旋涡 underground river 暗河 subterranean river 地下河 drainage net 河网 upstream , headwaters上游 midstream 中游 deflation 干涸 mother river 主流 tributary 支流 deposit 淤积

发表于:2019-03-13 / 阅读(120) / 评论(0)

托福英语

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