第四課 聰明的小博士 linda • 2017-01-11 http://blog2.huayuworld.org/lindalin/wp-content/uploads/sites/305/2017/01/第7冊第4課a.mp4 http://blog2.huayuworld.org/lindalin/wp-content/uploads/sites/305/2017/01/第7冊第4課b.mp4 http://blog2.huayuworld.org/lindalin/wp-content/uploads/sites/305/2017/01/第7冊第4課s.mp4 Add the following new words one by one affixed to the following text box. 聰博橫偉築 舒胃慣漫鬼 碰牆彈洞差 聪横伟筑惯墙弹