金鱼的记忆只有7秒吗、金鱼的记忆是多少秒
{"rich_content":{"text":"","spans":null},"video":{"vid":"v028b0cd0000c0v6caal2um4ca196ptg","duration":53.244,"width":1024,"height":576,"file_size":4263251,"thumb":{"web_uri":"tos-cn-p-0000/024b1ece6a624be8803a79868be95482","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":53.244,"file_size":5013903,"w":854,"h":480},"normal":{"duration":53.244,"file_size":3598410,"w":640,"h":360},"ultra":{"duration":53.244,"file_size":5739426,"w":1024,"h":576}},"is_encrypted":null,"sp":null,"md5":"79b40e41a4507b7806e576063605b238","tos_key":null,"secret_key":null,"encrypt_algorithm":null,"extra":null}}