Hellow guys, Welcome to my website, and you are watching [유스터디] 해사영어 - 강유하 교수의 너무 쉬운데 중요한 조난, 안전, 긴급신호. and this vIdeo is uploaded by 유 스터디 at 2019-02-20T19:00:11-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
