英文關鍵字
1080p
1920x1080
alphamatte
animation
background
bird
color
fast
flight
flying
humming
hummingbird
isolated
loop
loopable
looped
looping
nature
rotating
seamless
speed
tail
turning
white
wild
wildlife
wing
英文關鍵字
1080p
1920x1080
alphamatte
animation
background
bird
color
fast
flight
flying
humming
hummingbird
isolated
loop
loopable
looped
looping
nature
rotating
seamless
speed
tail
turning
white
wild
wildlife
wing