Hellow guys, Welcome to my website, and you are watching [화학1 수업영상] 원자의 세계 7차시 수업. and this vIdeo is uploaded by 수정샘 화학 at 2022-05-30T04:54:48-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
