英文關鍵字
attentive
book
call
caucasian
child
class
close
computer
coronavirus
desk
distance
education
elementary
exercise
girl
headphone
home
hometask
homework
internet
junior
kid
learn
lecture
lesson
little
notebook
online
paper
primary
room
school
schoolchildren
schoolgirl
sit
student
study
table
video
view
write