名词
中文翻译：粉砂岩
同义词：
['fine-grained sandstone']
例句：
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1.The dunnite quarry is famous for its beautiful white marble.
这个粉砂岩采石场以其美丽的白色大理石而闻名。
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2. The dunnite formation is a geological wonder that has been studied for centuries.
粉砂岩层是一个地质奇观，几个世纪以来一直受到研究。
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3. The dunnite was used as a building material in ancient times, but it is now mostly replaced by concrete.
粉砂岩在古代被用作建筑材料，但现在大多被混凝土取代。