Επιλεκτική εστίαση δυσαρεστημένη μαθήτρια με ιατρική μάσκα κοντά σε μαυροπίνακα και η ασφάλεια ξεκινά εδώ γράμματα και εικονογράφηση του ιού - Φωτογραφίες & Εικόνες Αρχείου

Horizontal image of displeased schoolgirl in protective mask looking at camera near back to school inscription on chalkboard

Selective focus of schoolgirl touching medical mask near back to school lettering on chalkboard and virus illustration

Selective focus of frowning schoolgirl in medical mask looking at camera near chalkboard with back to school inscription

Preteen schoolgirl in medical mask looking at camera near chalkboard with back to school lettering isolated on white

Schoolkid in medical mask standing near chalkboard with back to school lettering on white background

Selective focus of positive schoolgirl in medical mask looking at camera near chalkboard with back to school inscription

Asian girl in medical mask raising hand during lesson

Schoolboy in medical mask raising hand near blurred multiethnic classmates during lesson

African american kid in medical mask holding pen during lesson

Schoolboy in medical mask raising hand during lesson near blurred girl

African american woman in medical mask standing with crossed arms near multiethnic children

African american teacher in medical mask gesturing during lesson in classroom

Schoolgirl in medical mask writing in notebook near classmate on blurred background

Schoolgirl in medical mask reading book near devices in classroom