Male teacher writing on blackboard, closeup
Palabras clave
blackboard,
closeup,
male,
teacher,
writing,
adult,
back,
background,
black,
caucasian,
chalk,
blackboard,
class,
classroom,
college,
conducting,
copy,
dark,
day,
educate,
education,
educator,
exam,
explain,
hand,
job,
cognition,
learn,
learning,
lecturer,
lesson,
man,
occupation,
people,
person,
profession,
school,
september,
space,
study,
studying,
subject,
task,
instructing,
text,
tutor,
university,
work,
young
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