名词
中文翻译：矿井
同义词：
['mineral', 'ore例句：1. The mine is locatedin the mountains.（这个矿井位于山区。）']
例句：
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1. The mine is locatedin the mountains.
这个矿井位于山区。
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2. Theminers are working hard to extract theminerals.
矿工们正在努力开采矿物。
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3. Themine has been closed due to safety concerns.
由于安全问题，这个矿井已经关闭了。