英文關鍵字
academic
academy
african
backpack
bearded
campus
casual
caucasian
chatting
cheerful
classmates
college
communicating
communication
education
educational
friends
friendship
hall
handsome
indoors
institute
international
learners
lifestyle
listening
male
meeting
modern
motion
people
positive
school
smiling
standing
students
study
studying
talking
two
uni
university
young
youth