名词
中文翻译：砂岩
同义词：
['shale', 'sandstone例句：1. The geologist found the sandy shale in the area.（地质学家在该地区发现了砂岩。）']
例句：
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1. The geologist found the sandy shale in the area.
地质学家在该地区发现了砂岩。
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2.The sandy shale is a good source of oil and gas.
砂岩是石油和天然气的良好来源。
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3. The sandy shale was used as a building material for many years.
砂岩被用作建筑材料多年。