Happy teacher near blackboard in classroom
Palabras clave
academic,
adult,
background,
blackboard,
caucasian,
blackboard,
class,
classroom,
college,
copy,
educate,
education,
educator,
emotional,
exam,
explain,
happy,
job,
cognition,
learn,
lecturer,
lesson,
male,
man,
occupation,
people,
person,
portrait,
profession,
prof,
school,
space,
student,
study,
subject,
success,
task,
instructing,
teacher,
text,
tutor,
university,
work,
young
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