黒板 シンプル 素材
Schlüsselwörter
blackboard,
material,
illustration,
vector,
chalk,
board,
school,
message,
copy space,
background,
study,
learning,
school,
classroom,
training,
frame,
frame,
sweet,
learn,
entrance,
graduation,
landscape,
student,
student,
teacher,
lecturer,
teacher,
educated,
blank space,
kindergarten,
preschool,
elementary school,
junior high,
high school
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