“基岩”的英语表达是 bedrock 。它既可以作名词,表示构成地壳底层的坚硬岩石层,即“基岩;岩床” ;也可用于比喻义,指“基础;基本原则;根本” 。例如:
The well was drilled down through the soil to the bedrock.(这口井从土壤层向下钻探,一直钻到基岩。)
Trust is the bedrock of any healthy relationship.(信任是任何健康关系的基础。)