英文關鍵字
alpha
alphabet
and
animal
animated
animation
background
bird
black
channel
education
english
font
footage
foreground
front
green
isolated
letter
letters
motion
nature
object
preschool
red
sign
toad
turkey
video
wild
with
zoo
英文關鍵字
alpha
alphabet
and
animal
animated
animation
background
bird
black
channel
education
english
font
footage
foreground
front
green
isolated
letter
letters
motion
nature
object
preschool
red
sign
toad
turkey
video
wild
with
zoo