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Bedrock
01
基础, 根本原则
principles from which other truths can be derived
02
基岩, 母岩
solid rock beneath surface materials, forming the Earth's crust foundation
Example
Excavation for the building 's foundation revealed the presence of sturdy bedrock, ensuring stability for the structure.
Geologists drilled into the bedrock to collect samples and analyze the composition of the Earth's crust.
The river 's erosion exposed the underlying bedrock, creating a scenic landscape of cliffs and rock formations.
