announcement
attendant
attention
audience
auditorium
back
center
chair
coach
college
communication
conference
congress
convention
corporate
day
empty
free
freedom
graduate
guest
hearing
international
listen
loudspeakers
mentoring
month
music
national
new
nobody
people
podium
presentation
professional
public
semester
show
sound
speak
speech
stage
student
talk
tutor
university
week
welcome
workshop
world
定額
Microphone voice speaker in school lecture hall, seminar meeting room or educational business conference event for host, teacher or coaching mentorの素材 [FY310131602406]
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