英文關鍵字
afroamerican
book
boy
casual
caucasian
cheerful
child
childhood
children
curly
cute
education
face
friends
friendship
fun
funny
girl
girls
happiness
happy
hug
kid
kids
laughing
learner
lesson
lifestyle
outdoors
playing
portrait
pupil
pupils
satchel
school
schoolboy
schoolboys
schoolchildren
schoolgirls
schoolmates
smiling
studying