英文關鍵字
application
asking
call
chat
class
college
communication
computer
conference
cyberspace
desk
digital
distance
education
female
girl
headphones
headset
home
indoor
information
internet
interview
isolation
knowledge
laptop
learning
lesson
listening
media
network
notebook
online
person
quarantine
school
science
speaking
student
study
talk
talking
teacher
teenager
training
tutor
university
website
woman
young