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