bed.rock

bedrock的音标和读音：
DJ音标发音： [ˈbedˌrɔk]
KK音标发音： [ˈbɛdˌrɑk]

bedrock的词性：
n.（名词）

1. 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

2. The very basis; the foundation:
基础；基本原则：

Ownership of land is the bedrock of democracy.
土地所有权是民主的基础

3. The lowest point:
最低点：

personal finances that were at bedrock.
最低的个人资金