英文關鍵字
1080p
abacus
academic
attentively
chair
child
childhood
class
classmates
classroom
concentrated
concentrating
cute
definition
desk
development
early
education
elementary
female
focused
girl
hd
high
highdef
knowledge
learn
learning
lesson
maths
mixedrace
numbers
one
person
portrait
pupil
school
schoolchild
serious
sitting
studying
thoughtful