肥志百科 第9季

"Feizhi Encyclopedia" is an animated work that uses an adorable expression style to tell readers about various natural and human knowledge. In this content, the protagonist "Feizhi" is a storytelling-loving young man. The ninth season of Feizhi Encyclopedia focuses on various invented items, mainly recounting the processes from invention to popularization of six types of transportation such as bicycles, trains, and airplanes, as well as six daily necessities like washing machines, toothbrushes, and telephones.