英文關鍵字
1000fps
1080p
background
black
bounce
bouncing
definition
dropping
falling
filming
four
hd
high
highdef
highspeed
magnet
motion
no
number
numeracy
people
plastic
red
revolving
slow
slowmotion
spinning
surface
turning
ultra
英文關鍵字
1000fps
1080p
background
black
bounce
bouncing
definition
dropping
falling
filming
four
hd
high
highdef
highspeed
magnet
motion
no
number
numeracy
people
plastic
red
revolving
slow
slowmotion
spinning
surface
turning
ultra