30s
academician
activity
adult
audience
auditorium
belgian
caucasian
classroom
communication
concentration
cooperation
course
educating
education
educator
european
exam
explaining
faculty
female
friendly
group
hungarian
indoors
information
institute
interaction
interior
lecture
lecturer
lecturing
lesson
male
men
participants
people
speaker
students
studying
teaching
training
tutorial
university
women
workshop