5357px x 5000px / EPS, JPG, SVG
Biology teacher at blackboard explaining nature science lesson School pedagogue man at chalkboard
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- teaching
- blackboard
- student teacher
- school teacher
- teacher teaching
- classroom
- education illustration
- class room
- student
- professor
- class
- lesson
- subject
- chalkboard
- education
- male teacher
- teacher training
- teacher
- school subjects
- science
- school
- cartoon classroom
- college
- study
- cartoon student
- background education
- learning
- knowledge
- chalk
- background school
- pupil
- experiment
- cartoon man
- man
- college poster
