background
banner
blackboard
business
class
classroom
college
communication
computer
concept
course
design
desk
digital
education
elearning
flat
foreign
internet
keyboard
knowledge
language
laptop
learn
lecture
lesson
mobile
modern
network
online
person
pupil
school
science
screen
seminar
service
sign
student
study
symbol
teacher
technology
template
training
tutorial
university
video
web
webinar
定額
Online learning, teacher leads foreign language lesson at computer screen and pupil sitting with laptop. Video course, distance education, web seminar, internet class, personal instructor serviceの素材 [FY310178416797]
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