bedrock

基盤岩、岩盤

土やばらばらの石の下にある、固い岩の層。

やさしい英語で： The solid layer of rock underneath soil and loose stones.

• The builders reached bedrock.
• We drilled through the soil into bedrock.
• Glaciers had scraped away the soil, exposing the bedrock.

よく使う表現： solid bedrock, exposed bedrock, reach bedrock, drill into bedrock

基盤、土台

物事を支える中心的な考え、信念、または支え。

やさしい英語で： The main idea, belief, or support on which something depends.

• Trust is the bedrock of our relationship.
• These values formed the bedrock of her teaching.
• Small businesses remain the bedrock of the local economy.

使い方： the bedrock of something (Trust is the bedrock of a good friendship.)

類義語： foundation, basis, cornerstone

よく使う表現： bedrock of something, form the bedrock, bedrock principle