名词
中文翻译：Unknown
同义词：
['精矿、精选矿石、精选矿物例句：1. The finely ground ore is used to produce steel.（这种精选矿石被用来生产钢铁。）2. The mine produces finely ground ore that is exported to other countries.（这个矿场生产的精选矿石被出口到其他国家。）']
例句：
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1. The finely ground ore is used to produce steel.
这种精选矿石被用来生产钢铁。
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2. The mine produces finely ground ore that is exported to other countries.
这个矿场生产的精选矿石被出口到其他国家。
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3. The finely ground ore is processed into various products for use in industry.
精选矿石经过加工，用于工业中的多种产品。