{"type":"rich","version":"1.0","title":"第二语言习得","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/aqDveNEy4UHBMcms/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/6aa0ef78d132e141c131c9ac\" frameborder=\"0\" allowfullscreen></iframe>"}