英文關鍵字
answer
assignment
audio
call
casual
caucasian
child
childhood
classwork
computer
copybook
desk
distance
education
elementary
flat
girl
home
hometask
homework
internet
junior
kid
laptop
learn
lecture
lesson
light
little
math
mathematics
notebook
online
pen
primary
question
room
schoolchildren
stationery
student
study
subject
supplies
table
talk
task
teacher
video
videocall
watch