前三步后三步双人舞,左三步右三步双人舞慢动作

{"rich_content":{"text":"","spans":null},"video":{"vid":"v028b0a40000bre6c964tqbmf3a0vdi0","duration":75.56,"width":1024,"height":576,"file_size":9554760,"thumb":{"web_uri":"tos-cn-p-0000/8348c3361a48442eb61545ff5eddd42e","width":640,"height":360,"image_type":null,"mimetype":null,"encrypt_web_uri":null,"secret_key":null,"encrypt_algorithm":null,"extra":null},"video_size":{"high":{"duration":75.56,"file_size":13554286,"w":854,"h":480},"normal":{"duration":75.56,"file_size":9117103,"w":640,"h":360},"ultra":{"duration":75.56,"file_size":15907613,"w":1024,"h":576}},"is_encrypted":null,"md5":"f9b9c37ff22e3afed8841f625a041804","tos_key":null,"secret_key":null,"encrypt_algorithm":null,"extra":null}}