bedrock

名词 bedrock:

1. solid unweathered rock lying beneath surface deposits of soil
2. principles from which other truths can be derived
   同义词：fundamentals, basics, fundamental principle, basic principle

1. The poor old man has come down to the bedrock.
   那可怜的老人只剩下最后一块钱了。
2. A foundation; bedrock.
   坚固的基础; 基本事实

bed.rock

n.（名词）
The solid rock that underlies loose material, such as soil, sand, clay, or gravel.
基岩：松散地质下的大石块，如土、沙、陶土或碎石

The very basis; the foundation:
基础；基本原则：
例句：
Ownership of land is the bedrock of democracy.
土地所有权是民主的基础

The lowest point:
最低点：
例句：
personal finances that were at bedrock.
最低的个人资金