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B1 Intermediate
Korean
12:52
Educational
[#어쩌다어른] 김상욱 교수님이 알려주는 뉴턴의 사과 이야기에 담긴 비밀🍎 사과는 떨어지는데, 달은 떨어지지 않는 이유🌕
Learning Stats
B1
CEFR Level
5/10
Difficulty
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