英文關鍵字
academic
boys
browsing
class
classmates
classroom
college
computer
computers
discussing
discussion
education
elearning
exam
finger
five
friends
girls
group
happy
high
informatics
internet
knowledge
learning
lesson
looking
modern
monitors
networking
new
people
pointing
preparing
scholar
school
smiling
social
students
study
studying
talking
team
teamwork
technology
teenagers
teens
together
typing
university