链接：https://pan.baidu.com/s/1eMKs9EdgTuPMCyUqEJmR7Q   提取码：8ytb

    Size: 583566222 bytes (556.53 MiB), duration: 00:22:27, avg.bitrate: 3466 kb/s

    Audio: aac, 44100 Hz, 2 channels, s16, 127 kb/s (und)

    Video: h264, yuv420p, 1280×720, 3330 kb/s, 29.97 fps(r) (und)