英文關鍵字
animation
book
boy
change
chart
child
childhood
class
classroom
concentrating
concept
design
development
digital
digitally
education
elementary
finance
generated
graph
graphic
growth
illustration
kid
knowledge
learn
learning
male
mixed-race
montage
moving
one
people
person
pupil
school
science
statistics
student
study
studying
teaching
writing