英文關鍵字
african
american
asian
bicycle
bike
black
child
children
close
down
energy
fun
girl
group
happy
having
hispanic
lock
old
outdoors
park
people
playground
playing
riding
smiling
three
up
year
英文關鍵字
african
american
asian
bicycle
bike
black
child
children
close
down
energy
fun
girl
group
happy
having
hispanic
lock
old
outdoors
park
people
playground
playing
riding
smiling
three
up
year