guseokdol
cornerstone
capstone (spécificité, architectural) ; pierre angulaire ; fondation
구석돌은 건물의 기초를 형성하는 중요한 요소입니다.
Guseokdol-eun geonmul-ui gichoreul hyeongseonghaneun jungyohan yoso-imnida.
The cornerstone is an important element that forms the foundation of a building.
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