英文關鍵字
answer
call
caucasian
child
class
computer
copybook
coronavirus
desk
distance
education
elementary
girl
hand
headphone
home
homework
internet
junior
kid
laptop
learn
lecture
lesson
little
lockdown
notebook
online
pad
paper
primary
quarantine
question
raise
room
school
schoolgirl
sit
smart
student
study
table
teacher
video
watch
zoom