Examples
with 골품제적.
- 골품제적은 고려 시대의 사회 구조를 설명하는 중요한 개념이다.golpumjejeogeun goryeo sidaeui sahoe gujereul seolmyeonghaneun jungyohan gaenyeomida.The bone rank system is an important concept that explains the social structure of the Goryeo Dynasty.