bedrock
音標[bed'rɒk]中文翻譯：
n. 基岩, 基本原理, 基礎
例句：
- The poor old man has come down to the bedrock.那可憐的老人只剩下最後一塊錢了。
- A foundation; bedrock.堅固的基礎; 基本事實
英文解釋：
名詞 bedrock:
- solid unweathered rock lying beneath surface deposits of soil
- principles from which other truths can be derived同義詞：fundamentals, basics, fundamental principle, basic principle