bedrock〔名词〕基岩,底岩;n.基岩,底岩,基本事实详细»
基岩base rock;solid rock;solidrock详细»
基岩bedrock;solid rock;solidrock详细»
基岩bottom rock;foundation rock;hard seat;pedestal rock;rockhead详细»
基岩base rock;basement rock;original rock;pedestal rock;solid rock;solidrock;undermass详细»
基岩base rock;basement rock;basic rock;bedrock;foundation rock;hard seat;ledge rock;main bottom;parent rock;seat rock;solid rock;underlying rock详细»