{"type":"rich","version":"1.0","title":"两次世界大战知识竞赛","description":"涵盖第一次世界大战和第二次世界大战的主要成因、关键联盟及转折点的测验","author_name":"Padlet TA","thumbnail_url":"https://ta.padlet.com/open-graph/social-preview-image.png?timestamp=1767922018302&hashid=kGpzVAEJpv","html":"<iframe src=\"https://ta.padlet.com/embed/kGpzVAEJpv\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://ta.padlet.com"}