{"type":"video","version":"1.0","html":"<iframe src=\"https://www.loom.com/embed/63ca81382ecf4cc1b1005c850bb28466\" frameborder=\"0\" width=\"1920\" height=\"1440\" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>","height":1440,"width":1920,"provider_name":"Loom","provider_url":"https://www.loom.com","thumbnail_height":1440,"thumbnail_width":1920,"thumbnail_url":"https://cdn.loom.com/sessions/thumbnails/public/63ca81382ecf4cc1b1005c850bb28466-with-play.gif","duration":421,"title":"Ch15.2 直線方程 (第二部分)"}