这个地区开采板岩有数百年了。
他靠开采银矿积累了一笔财富。
南极洲的矿藏还未开采。
他们在开采黄金。
我想我们不开采利用自己的煤矿实在是目光短浅。
I think we're being very short-sighted in not exploiting our own coal.
那个煤矿要关闭了，因为储量不足，难以经济开采。
The pit is being shut down because it no longer has enough coal that can be mined economically.
在27个新钻的井中，16个已被证明是可开采的。
如果在你的地里发现石油或金子，你可以出售开采权。
If oil or gold are discovered under your lot, you can sell the mineral rights.
由于大油井的枯竭，要想从北海有利地获取石油和天然气，我们必须集中精力于小储量油井的开采。
To harvest oil and gas profitably from the North Sea, we must focus on the exploitation of small reserves as the big wells run dry.
石油开采需要很长时间。
煤是从地下开采来的。
他们在开采煤矿。
他们开采岩石，人工把它分解，然后把磷放进农业肥料里。
They mined the rock, artificially break it down and put the Phosphorus into agricultural fertilizers.
经过人类几千年的活动与开采利用后，欧洲所有的森林都是人造的。
All European forests are artificial, having been adapted and exploited by man for thousands of years.
坦桑尼亚政府再次开始在湖中开采纯碱，用于制造化学品、玻璃和洗涤剂。
The Tanzanian government has once again started mining the lake for soda ash, used for making chemicals, glass and detergents.
它们对资源的大量开采可能耗尽或不可逆转地破坏森林、土壤、水、空气和气候。
Their surging exploitation of resources threatens to exhaust or unalterably spoil forests, soils, water, air and climate.
修建运河运输煤炭的公司需要测量员帮助他们找到值得开采的煤矿，并确定运河的最佳路线。
The companies building the canals to transport coal needed surveyors to help them find the coal deposits worth mining as well as to determine the best courses for the canals.
展现的特奥蒂瓦坎图景是黑曜石的开采和加工、贸易、人口增长、灌溉和宗教旅游之间良性反馈的经典画面。
The picture of Teotihuacán that emerges is a classic picture of positive feedback among obsidian mining and working, trade, population growth, irrigation, and religious tourism.
当地的石头都是从那片山坡开采的。
这些大石灰岩洞也用来开采水泥原料。
可开采的原料供应短缺。
这地方正在开采石灰石。
那些开采钻石的小镇逐渐被沙漠重新吞噬了。
The diamond towns are gradually being reclaimed by the desert.
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