英文關鍵字
boy
girl
teenager
tween
student
friends
playfellow
schoolmates
group
children
kids
togetherness
ball
football
running
active
game
playing
interacting
communication
sport
scene
city
street
schoolyard
autumn
spring
outdoors
people
810
multiracial
ethnic
afro
american
european
german
emotions
expressive
happy
smiling
fun
enjoyment
cheerful
recreational
vacation
break
leisure
lifestyles