英文關鍵字
adolescent
bird
break
candid
childhood
children
crowd
education
educational
feeding
friend
friends
friendship
fun
girl
ground
group
happy
lake
leisure
lifestyle
little
man
modern
nature
outdoors
outside
park
people
person
play
playground
pond
portrait
primary
pupils
recreation
school
schoolchildren
smiling
standing
students
teenagers
teens
together
uniform
water
wildlife
yard
young