Hellow guys, Welcome to my website, and you are watching 아이들과 함께 파동을 입자로 설명, 종파를 횡파처럼 설명하기. and this vIdeo is uploaded by 수업 잘하는 교사 이강토 at 2022-11-29T07:12:34-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
