英文關鍵字
education
communication
class
teacher
student
internet
school
computer
online
study
conference
home
connection
technology
distance
chat
call
learn
lesson
web
video
tutor
course
pupil
concept
group
screen
studying
conversation
elearning
modern
webinar
homework
homeschooling
network
device
remote
woman
monitor
caucasian
gadget
schoolboy
schoolchild
schoolgirl
lockdown
virtual
alternative
organization