際際滷shows by User: jjahn504 / http://www.slideshare.net/images/logo.gif 際際滷shows by User: jjahn504 / 際際滷Share feed for 際際滷shows by User: jjahn504 https://cdn.slidesharecdn.com/profile-photo-jjahn504-48x48.jpg?cb=1657424151 http://blog.naver.com/phy2sci