英文關鍵字
1080p
boy
caucasian
cheerful
child
childhood
class
classroom
computer
cute
definition
desk
development
early
education
elementary
female
girl
happy
hd
high
highdef
learn
learning
male
people
preschool
pupil
room
school
sitting
smiling
two
英文關鍵字
1080p
boy
caucasian
cheerful
child
childhood
class
classroom
computer
cute
definition
desk
development
early
education
elementary
female
girl
happy
hd
high
highdef
learn
learning
male
people
preschool
pupil
room
school
sitting
smiling
two