英文關鍵字
book
bored
child
childhood
class
classroom
compilation
concept
copybook
desk
dull
education
elementary
exercise
female
girl
home
homework
indoors
kid
learning
lesson
math
mathematical
mathematics
montage
notebook
pen
people
person
preparing
preteen
pupil
routine
sad
school
schoolgirl
sighing
solution
solving
student
studying
table
task
teenager
textbook
tired
unhappy
writing
young