bed, 河床。rock, 岩石。

1. It took five years to drill down to bedrock.

耗时五年才钻到了基岩。

2. Working-class voters form the bedrock of Labour's support.

工薪阶层选民是支持工党的基本力量。

3. The poor suburbs traditionally formed the bedrock of the party's support.

贫穷的郊区在传统上构成了支持该党的牢固基础。

4. Mutual trust is the bedrock of a relationship.

互信是交往的基石。

5. Petroleum or oil photogeology is primarily an evaluation of bedrock conditions.

石油或石油摄影地质主要是研究基岩情况的.