英文關鍵字
african
american
assignment
black
boy
call
child
children
chromakey
class
classmate
computer
copybook
curly
display
distance
earphone
education
green
hair
headphone
home
hometask
homework
internet
junior
keyboard
kid
laptop
learn
lesson
notebook
online
primary
pupil
school
schoolboy
schoolchildren
screen
square
student
study
table
technology
train
video
videolesson
watch
write
zoom