单词：iron-copper
单词：iron-copper 相关文章
87 natural resources words coal metal iron ore oil water precious metal diamond export import refine mine mining miner drill(ing) engineer supply infrastructure wood stone pure natural aluminium oil well phrases drill for oil explore for oil discover
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By Gary Garriott Broadcast: November 3, 2003 This is Steve Ember with the VOA Special English Development Report. People have been recycling metals for hundreds of years. Today, re-using metal waste o
VOA2003（下）-发展与科学
Chapter 14 Wonderland 第14章 仙境 ALICE IN WONDERLAND is a fairy-tale, but there is a real Wonderland out in the West. One of the wonders is a river. 爱丽丝漫游仙境是一个童话故事，但是远在西部真有一个充满奇迹的仙境。
美国学生世界地理教材
Business before pleasure. 事业在先，享乐在后。 A great many people take trips on these big lake boats just as they do on the oceanfor pleasure; 很多人乘着大湖上的船只游玩，就像出海度假一样。 but the chief reason for t
美国学生世界地理教材
EDUCATION REPORT - 'Iron Science Teacher' and More at the ExploratoriumBy Nancy Steinbach Broadcast: Thursday, July 27, 2006 This is the VOA Special English Education Report. The Exploratorium is hous
2006年慢速英语（七）月
DEVELOPMENT REPORT - Recycling Scrap Metal Into MoneyBy Gary Garriott Broadcast: Monday, July 31, 2006 This is the VOA Special English Development Report. People have been recycling metals for hundred
2006年慢速英语（七）月
This Short Story The Iron Box is quite interesting to all the people. Enjoy reading this story. Mohan Das was the son of a rich businessman. When his father died, Mohan Das was left with an iron box with valuables in it. One day, Mohan Das had to go
英汉幽默故事选读
By Naomi Schwarz Northern Mauritania 17 October 2007 In arid Mauritania, where Sahara desert meets Sahel grasslands, a train stretching up to two and one half kilometers snakes along the northern border. Built to carry iron ore from mines in the nort
2007年VOA常速英语（十月）
Chinese steel makers have agreed to pay record prices for iron ore from the remote Pilbara region of Western Australia. In a deal signed this week, Australian mining giant Rio Tinto has secured increases that almost double the price of some grades o
VOA标准英语2008年（六月）
Lesson 64 The Red Metal Called Copper 第64课 红色金属铜 There is only one metal which is red in colour. Its name is copper. On the shores of Lake Superior in North America, lumps of pure copper are found in the rocks; but in Cornwall , and in
英国学生科学读本
Copper can be rolled or hammered out into thin sheets, and so we say that it is malleable. It can also be easily drawn out into wire, and for this reason we call it ductile. Sheet copper is much used for covering the bottoms of ships, and for making
英国学生科学读本
The Streaming down the Yangtze team has arrived in the city of Tongling, Anhui Province. Owing to its copper deposits, it was an important center in ancient China for bronze production. The scale of the copper industry has gradually increased and it
2018CRI中国国际广播电台
Passage One 26. A. They were possibly caused by man. B. They were mostly caused by volcanoes. C. They were certainly caused by nature. D. We know nothing about their causes. 27. A. Afraid. B. Excited. C. Curious. D. Indifferent. 28. A. Copper and iro
英语四级听力-短对话
DEVELOPMENT REPORT - Reusing Metal Waste Provides Work For Many in Developing Countries By Gary Garriott Broadcast: Monday, April 04, 2005 I'm Gwen Outen with the VOA Special English Development Repor
农业与发展
China's iron ore manufacturers say they're struggling to keep their businesses afloat because of high costs and taxes while production is on the rise for the sector's global giants. Brazil's Vale SA is the world's largest iron ore producer and it say
cctv9英语新闻2015年
When the sheets are very thin, they are called lead-foil. A great deal of lead-foil is used in China, to line the chests in which tea is sent to Europe. 特别薄的薄片儿就叫做铅箔, 中国就是用大量的铅箔来垫在茶叶箱里, 做成铅
英国学生科学读本
The Anglo-Australian mining giant, BHP Billiton, has given its most optimistic assessment of the commodities markets since the global economic downturn. The company says surging demand from China for iron ore shipments will lift the mining industry,
VOA双语新闻 2010年1月
Chinese steel makers have agreed to pay record prices for iron ore from the remote Pilbara region of Western Australia. In a deal signed this week, Australian mining giant Rio Tinto has secured increases that almost double the price of some grades of
VOA双语新闻 2008年6月
We now know that there are a lot of microbes living deep within the Earth, many of which have nothing at all to do with the organic world. 我们现在知道了，有大量微生物生活在地球内部的深处，其中许多与普通的有机世界毫
万物简史
This time a large set of ancient tombs dating back to the Han Dynasty, in central China's Hunan Province. Archaeologists have so far found 48 brick-chambered tombs and over 10 earthen tombs. They have also dug out more than 150 burial objects, includ
cctv9英语新闻2016年