Válogatós összpontosít-ból gida írás-ban jegyzetfüzet és látszó átmenő Mikroszkóp mellett teszt csövek-val folyadék-ban osztályterem - Stock felvétel és videó

Selective focus of kid writing and looking through microscope near test tubes with liquid in classroom

Selective focus of kid looking through microscope in classroom

Little nerd comparing liquids in flasks and writing reaction results, innovation

Boy in protective glasses mixing chemical liquids in flasks, curious genius

Focus pull of child looking through microscope

Schoolboy looking at red liquid in flask and scratching head, having no idea

Selective focus of kid writing and looking through microscope near test tubes with liquid in classroom

Selective focus of kid looking through microscope in classroom

Pretty, attentive scientists making research with microscope in laboratory

Two serious scientists talking in laboratory near table with medical glassware

Attentive scientist looking at blue liquid in test tube and writing down results in laboratory

Cropped view of scientists adding red liquid to test tube near glass flask with red fluid and petri dishes