名词
中文翻译：页岩
同义词：
['shale', 'limestone例句：1. The micaceous shale is a type of sedimentary rock that is rich in minerals.（页岩是一种富含矿物的沉积岩。）']
例句：
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1. The micaceous shale is a type of sedimentary rock that is rich in minerals.
页岩是一种富含矿物的沉积岩。
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2. The micaceous shale is mined for its valuable minerals.
页岩被开采用于其有价值的矿物。
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3. The micaceous shale is an important source of oil and gas.
页岩是石油和天然气的重要来源。