名词
中文翻译：岩石
同义词：
['rock', 'rock formation', 'stratum']
例句：
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1. The geologist is analyzing the rock layers to determine their age.
地质学家正在分析岩石层以确定它们的年龄。
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2. The mountain range is made up of many different rock formations.
山脉由许多不同的岩石层组成。
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3. The engineer used a drill to bore through the rock layers to reach the water source.
工程师使用钻头穿过岩石层到达水源。