Hellow guys, Welcome to my website, and you are watching [핫클립] 밀도가 다른 용액을 활용한 셀로판지 삼투 실험 / YTN 사이언스. and this vIdeo is uploaded by YTN 사이언스 at 2023-10-18T00:30:03-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
