Elderly Teacher in Classroom
Schlüsselwörter
teacher,
prof,
educator,
instructor,
illustration,
board,
three-dimensional,
chalk,
class,
instructing,
school,
classroom,
education,
teaching,
lesson,
learning,
blackboard,
blackboard,
mathematic,
mathematic,
geometry,
equation,
algebra,
old man,
goggles,
academic,
tutor,
lecturer,
cartoon,
vector
Deutsch
