Hellow guys, Welcome to my website, and you are watching [ENG_SUB] 1 m 길이는 누가, 왜, 어떻게 정했을까? | 미터법, 미터협약, 도량형. and this vIdeo is uploaded by 김지윤의 지식Play at 2025-05-20T02:00:23-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
