n.岩床；根底；基础；基本原则
Whatever he heard, he always came down to bedrock. 不管他听到什么，他总爱刨根问底。
Ownership of land is the bedrock of democracy. 土地所有权是民主的基础。
Ancient culture is the bedrock of all. 古老的文化蕴孕着时代永恒的文明。
The only bedrock rule is Don't Burn the Locals. 最根本的原则是"绝不欺骗本地人"。
Honesty is the bedrock of any healthy relationship. 诚实是维持一切良好关系的基本原则。
基岩
