名词
中文翻译：Unknown
同义词：
['mineral deposit', 'ore body', 'ore vein']
例句：
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1. The myelitic vein is the main source of gold in the area.
这个矿脉是该地区的主要黄金来源。
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2. The mine has been operating for over a century, and it's still producing valuable minerals.
这个矿场已经运营了一个多世纪，仍然在生产有价值的矿物。
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3. The myelitic deposit is located in the southern part of the country, and it's considered to be one ofthe most important sources of iron ore.
这个矿床位于该国南部，被认为是最重要的铁矿石来源之一。