英文關鍵字
blackboard
bored
boring
boy
child
childhood
class
classroom
clever
close
closeup
education
elementary
equation
exam
exercises
exhausted
home
hometask
homework
kid
knowledge
learn
lesson
look
looking
math
mathematics
notes
preschool
primary
pupil
school
schoolboy
schoolkid
smart
smile
smiling
student
study
studying
task
test
tired
uninteresting
up
work
write
writing