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| 3362 | 3483 | 144772491508947.m3u8 | /uploads/video/144772491508947.m3u8 | application/vnd.apple.mpegurl | 3 | |
| 3363 | 3484 | 【Science Lab生物】果实与种子.mp4 | /uploads/video/1447725106812134.mp4 | video/mp4 | 3 | |
| 3364 | 3485 | 1447725106812134.m3u8 | /uploads/video/1447725106812134.m3u8 | application/vnd.apple.mpegurl | 3 | |
| 3365 | 3486 | 实属运算2.mp4 | /uploads/video/1447725546415879.mp4 | video/mp4 | 3 | |
| 3366 | 3487 | 1447725546415879.m3u8 | /uploads/video/1447725546415879.m3u8 | application/vnd.apple.mpegurl | 3 | |
| 3367 | 3488 | 实属运算2.mp4 | /uploads/video/1447725645681661.mp4 | video/mp4 | 3 | |
| 3368 | 3489 | 1447725645681661.m3u8 | /uploads/video/1447725645681661.m3u8 | application/vnd.apple.mpegurl | 3 | |
| 3369 | 3490 | 【Science Lab生物】鸟适于飞行的形态结构特点.mp4 | /uploads/video/1447725515829296.mp4 | video/mp4 | 3 | |
| 3370 | 3491 | 1447725515829296.m3u8 | /uploads/video/1447725515829296.m3u8 | application/vnd.apple.mpegurl | 3 | |
| 3371 | 3492 | 【Science Lab生物】扦插和嫁接.mp4 | /uploads/video/1447726132513422.mp4 | video/mp4 | 3 | |
| 3372 | 3493 | 1447726132513422.m3u8 | /uploads/video/1447726132513422.m3u8 | application/vnd.apple.mpegurl | 3 | |
| 3373 | 3494 | 【Science Lab生物】豚鼠走迷宫获取食物的学习行为.mp4 | /uploads/video/1447726246960509.mp4 | video/mp4 | 3 | |
| 3374 | 3495 | 1447726246960509.m3u8 | /uploads/video/1447726246960509.m3u8 | application/vnd.apple.mpegurl | 3 | |
| 3375 | 3496 | 【化学】比较合金和纯金属的硬度_0.mp4 | /uploads/video/1447726547322663.mp4 | video/mp4 | 3 | |
| 3376 | 3497 | 1447726547322663.m3u8 | /uploads/video/1447726547322663.m3u8 | application/vnd.apple.mpegurl | 3 | |
| 3377 | 3498 | 【化学】二氧化碳的实验室制取与性质.mp4 | /uploads/video/1447733430527432.mp4 | video/mp4 | 3 | |
| 3378 | 3499 | 1447733430527432.m3u8 | /uploads/video/1447733430527432.m3u8 | application/vnd.apple.mpegurl | 3 | |
| 3379 | 3500 | 【化学】二氧化碳与水的反应.mp4 | /uploads/video/1447734817046800.mp4 | video/mp4 | 3 | |
| 3380 | 3501 | 1447734817046800.m3u8 | /uploads/video/1447734817046800.m3u8 | application/vnd.apple.mpegurl | 3 | |