英文關鍵字
student
laptop
webinar
teenager
education
conversation
online
webcam
teleconference
library
internet
college
homework
university
browsing
knowledge
call
bookcase
smiling
mood
literature
intelligent
lifestyle
female
bookshelves
shirt
jacket
talking
connection
distant
training
study
virtual
technology
scientific
video
computer
friends
portrait
social
vertical
9x16