名词
中文翻译：岩层
同义词：
['cap rock', 'bedrock例句：1. The caprock is the layer of rock that separates the upper and lower layers.（岩层是分隔上层和下层的岩石层。）2. The geologist used a drill to bore through the caprock and expose the underlying strata.（地质学家使用钻机穿过岩层，暴露出下面的地层。）']
例句：
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1. The caprock is the layer of rock that separates the upper and lower layers.
岩层是分隔上层和下层的岩石层。
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2. The geologist used a drill to bore through the caprock and expose the underlying strata.
地质学家使用钻机穿过岩层，暴露出下面的地层。
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3. The caprock is critical for supporting the weight of the overlying strata.
岩层对支撑上面的地层的重量至关重要。