You are viewing a single comment's thread from:RE: [kr-science] real life science 실생활속 과학이야기part4View the full contextView the direct parentjoonghoonlee (52)in #kr-science • 7 years ago ㅎㅎㅎㅎ감사합니다 ^^ 힘이 많이 되는 덧글 중 하나입니다 ㅎㅎㅎ