英文關鍵字
animation
baby
black
boy
change
chart
child
childhood
class
classroom
concept
design
development
digital
digitally
education
elementary
female
finance
generated
girl
graph
graphic
group
growth
hands
illustration
interacting
kid
knowledge
learn
learning
listening
male
medium
montage
moving
of
people
pupil
raising
school
science
statistics
student
study
studying
teacher
teaching
together