teach管 （6831）

17 mins

31 mins 25 secs

8 mins 2 secs

2 hours 5 mins 10 secs

1 hour 31 mins 13 secs

7 mins 37 secs

43 mins 12 secs

25 mins 7 secs

11 mins 5 secs

17 mins 29 secs

8 mins 18 secs

8 mins 27 secs

21 mins 53 secs

15 mins 14 secs

34 mins 20 secs

22 mins 6 secs

22 mins 6 secs

22 mins 6 secs

8 mins

22 mins 6 secs

8 mins 50 secs

8 mins

8 mins 12 secs

11 mins 3 secs

6 mins

25 secs

1 min