英文關鍵字
asian
bored
call
class
communication
computer
connection
coronavirus
distance
distancing
earphones
education
expression
face
facial
girl
high
home
indoor
intently
internet
laptop
learning
lecturer
lesson
lifestyle
listening
modern
monitor
network
online
pandemic
people
portrait
quarantine
remote
school
schoolgirl
secondary
sitting
social
student
studying
talking
teach
teacher
technology
tutor
tutorial
video
watching
webcam
young