{"type":"rich","version":"1.0","title":"封建制度詞彙","description":"學習封建制度的關鍵術語：領主、封臣、效忠、封地、莊園、農奴、騎士精神、什一稅、行會和學徒。","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1780949482379&hashid=NRjbROlYjy","html":"<iframe src=\"https://arcade.padlet.com/embed/NRjbROlYjy\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}