우드 초록 칠판배경Wood green blackboard background
Schlüsselwörter
blackboard,
school,
board,
schooling,
green,
blank,
chalk,
frame,
empty,
classroom,
exam,
class,
forest,
grain,
message,
illustration,
write,
teaching,
class,
background,
space,
notice board,
copy,
green,
wooden
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