20秒如何把手洗乾淨，指頭、手背、大拇指，全部洗乾淨，這是一個洗手的實驗，請留意！ Tags: 0 comments 91 likes 6 shares Share this: 陳光復Chen Kuang-fu About author not provided 澎湖，看見幸福 25760 followers 25895 likes "https://www.youtube.com/channel/UCyn7RIO5lKWpsZVx6GQhnGA" View all posts