Bedrock
01
基石, 基础
principles from which other truths can be derived
02
基岩, 岩床
solid rock beneath surface materials, forming the Earth's crust foundation
例子
Geologists drilled into the bedrock to collect samples and analyze the composition of the Earth's crust.
地质学家钻入基岩以收集样本并分析地壳的组成。
