adult
art
black
blackboard
board
class
classroom
coach
course
demonstrate
demonstration
education
educational
emblem
group
icon
illustration
instruction
isolated
learner
learning
lecture
lecturer
lesson
line
object
outline
people
person
pictogram
picture
pointer
presentation
pupil
school
seminar
sign
single
speaker
speech
study
symbol
teach
teacher
thin
trainer
training
web
white
定額
Teacher and blackboard icon, outline styleの素材 [FY310161254620]
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