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B1 Intermediate
Korean
23:05
Educational
[풀버전] 6억 인구를 감동시킨 우주 다큐 〈코스모스〉, 책으로도 있다! 당신은 몰랐던 우주의 대신비를 지금 열어드립니다 | #책읽어드립니다 #사피엔스
Learning Stats
B1
CEFR Level
5/10
Difficulty
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