wonipgolsu
bone marrow
moelle osseuse (terme médical, technique)
원입골수는 혈액 세포를 생성하는 중요한 역할을 합니다.
wonipgolsuneun hyeol-aek seporul saengseonghaneun jungyohan yeoghalul hamnida.
Bone marrow plays an important role in producing blood cells.
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