bedrock
英 ['bedr?k]
美['b?drɑk]
- n. [地質(zhì)] 基巖；根底；基本原理
英英釋意
- 1. solid unweathered rock lying beneath surface deposits of soil
- 2. principles from which other truths can be derived;
- "first you must learn the fundamentals"
- "let's get down to basics"