英文關鍵字
boy
caucasian
cheerful
child
childcare
childhood
class
classroom
clever
closeness
concentrating
confidence
cover
cute
desk
education
enjoyment
excitement
expression
fun
generation
glasses
goggles
happy
holding
home
horizontal
kid
knowledge
learn
little
looking
portrait
pupil
school
schoolboy
schoolchildren
smiling
standing
student
study
young