activities
adult
attainments
attendance
attentive
auditorium
chinese
class
classroom
college
converse
course
discussing
educating
education
educational
erudition
explaining
female
focusing
holding
indoor
indoors
intelligent
interacting
interesting
learning
lesson
listening
male
man
notebook
people
person
portrait
process
science
seminar
session
student
studying
university
whiteboard
woman
young