Male teacher holding books in front of a blackboard
Palabras clave
1,
adult,
beard,
bearded,
blackboard,
book,
casual attire,
caucasian,
cheerful,
class,
classroom,
clever,
college,
education,
educator,
expression,
formula,
goggles,
guy,
holding,
human,
job,
cognition,
lecturer,
literature,
male,
man,
mathematic,
mathematical,
occupation,
1,
people,
profession,
prof,
school,
shot,
smart,
teacher,
university
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