However, most diamonds are found in the kimberlite itself. Natural diamonds, both gem and industrial quality, are the product of either open pit or underground mining, in which diamonds are contained in those kimberlite pipes, or they are extracted from alluvial deposits in riverbeds, coastal, ...
People make soap out of it, (6)___ diamonds (钻石) with it, and burn it for light. In ancient times, olive oil was even (7)___ as a weapon (武器). These days, more and more people all over the world are discovering that olive oil may be the best oil for (8)_...
anow I'm a gravel, some day I'll turn into diamonds 正在翻译,请等待... [translate] aHolds Bachelor of Arts degree in Marketing 在行销拿着文学士学位 [translate] a在欧美等发达国家 In Europe and America and so on developed country [translate] a我喜欢接受新鲜的事物 I like accepting the ...
Large deposits of copper are mined in Peru and Zaire, diamonds are mined in South Africa, and petroleum is recovered in Middle East. Countries that do not have these resources within their own boundaries must buy from countries that export them. Foreign trade also occurs because a country ...
The rings are manufactured from white or yellow gold with diamonds and they feature the title of the group, emblem and championship number. As previously mentioned, the bands receive to members of the earning team. While this is actually the situation, it doesn’t mean that you can’t have...
But the country is so heavily populated that it produces only about 60% of the food it consumes. 英国农业的特点是,只有一小部分人口 (约占劳动力的1.5%)从事高度机械化的农业活动。但该国人口如此之多,以至于它只生产了其消费的食品的60%左右。 Britain's mild climate provides the country with a ...
Some countries in Africa are reaping the benefits of supplying natural resources such as oil, gold and diamonds to China and India. Africa produces 46 per cent of the world’s chromium, 48 per cent of its diamonds, 29 per cent of its gold and 48 per cent of its platinum. ...
Which type of jet engine produces a secondary air stream? What jet engine is used on the 737 Next Generation? What can a jet engine use as fuel? What country invented the jet engine? What is the smallest jet engine? What is an inclined plane used for? What are animalcules made of?
Water is much 7.more expensive (expensive) than gold and diamonds. In the past, doctors suggested adults drink eight glasses of water a day. Nowadays, I am allowed half a glass only. Most people are weak and sick. When my son asks me about my childhood, I tell him about how pleasant...
The sharpest blade in the world is made from diamond. However, diamonds are extremely expensive and difficult to work with, so they are not commonly used in knives. The second-sharpest metal is carbide, which is often used in high-end knives. Finally, ceramic blades are also very sharp, ...