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사망
death
주요
main
원인
cause
세포
cell (human cells)
종양
cluster
기관
organ
급속히
Rapidly or swiftly
이해하기 어려운
hard to understand......
몸의 세포
cells of the body
손상시키다
cause damage (inside the body)
일반적
generally (speaking);in general;
특정하다
specific