岩床,根底,基礎
bedrock n 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" [syn: {fundamentals}, {basics}, {fundamental principle}, {basic principle}]
Bedrock A {C++} {class} library for {Macintosh} user interface portability.