名词
中文翻译：Unknown
同义词：
['ore', 'rock', 'mineral']
例句：
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1. The pyxides in the mine are rich in gold and silver.
矿井中的矿体富含金和银。
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2. The ore was extracted from the pyxides using a simple process.
使用简单的工艺从矿体中提取了矿石。
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3. The minerals in the earth's crust are essential for life on Earth.
地球地壳中的矿物对地球上的生命至关重要。