英文關鍵字
ball
boy
caucasian
child
children
day
field
football
fun
game
group
happiness
happy
healthy
human
joy
kick
kids
leisure
male
match
nature
outdoor
outside
park
people
play
playing
positive
pupils
recreation
running
sequence
sister
sky
smile
soccer
sports
summer
sun
sunlight
team
trees
vacations
view
young