英文關鍵字
adult
animation
boy
caucasian
change
chart
chemistry
child
childhood
class
classroom
concept
design
development
digital
digitally
education
elementary
experiment
female
finance
generated
girl
graph
graphic
group
growth
hands
illustration
kid
knowledge
learn
learning
male
man
mature
medium
mixed-race
montage
moving
of
people
pupil
raising
school
science
statistics
student
study
studying
teacher
teaching
together
whiteboard