英文關鍵字
academic
answer
book
class
college
communication
computer
concentration
conference
coronavirus
covid19
cyberspace
distance
education
elearning
female
girl
home
homework
knowledge
laptop
learning
lesson
notebook
notes
online
person
planning
presentation
quarantine
school
screen
seminar
smiling
student
study
teacher
teamwork
technology
teenage
university
watching
woman
working
writing
young