language barrier, blackboard, vector illustration
Schlüsselwörter
blackboard,
communicate,
education,
international,
language,
learn,
learning,
chalk,
class,
classroom,
community,
conceptual,
conversation,
creativity,
draw,
imagination,
inspiration,
lesson,
message,
school,
science,
scientific,
speak,
student,
study,
thinking,
training,
university,
word,
writing,
cognition,
high school,
business,
board,
symbol,
vector,
ask,
blackboard,
course,
dictionary,
discussion,
doodle,
handwriting,
immigration,
meeting,
question,
shouting,
instructing,
teacher
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