名词中文翻译
中文翻译：元砂岩
同义词：
['metamorphic sandstone', 'metamorphic rock']
例句：
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1. The metasandstone formation has been dated back to the Devonian period.
这种元砂岩的形成可以追溯到二叠纪时期。
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2. The metasandstone is a type of sedimentary rock that contains fossils.
这种元砂岩是一种含有化石的沉积岩。
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3. The metasandstone was used as building material in ancient times.
古代，这种元砂岩被用作建筑材料。