学生用书
教师用书

46壶铃摇摆

Set danmaku color
Set danmaku type
00:00 / 0:00
Speed
Loop
Show danmaku
Unlimited danmaku
Opacity for danmaku
0.5
0.75
Normal
1.25
1.5
2
[x]
Player version
Player FPS
Video type
Video url
Video resolution
Video duration