興奮した女性教師と女の子学生科学者たちは研究室で実験管の低角度表示 - ストックフォト＆画像

Smiling woman teacher and girl student scientists analyzing experimental liquid in tube in lab

Portrait of man teacher and girl student scientists making experiment in lab

Portrait of smiling man teacher and girl student scientists looking at experimental tube in lab

Portrait of smart little girl in white laboratory coat making chemical experiments with multicolored liquid in test tubes isolated over white background

How come. Jolly astonished boy screaming while moving hands while gay girl combining liquids

Teacher girl pupil sience class over white

Cute little girl with flasks for chemistry

Young confident woman scientist in lab coat holding digital tablet and looking at camera

Professional chemists in white coats inspecting test tube with reagent in lab

Portrait of serious scientist working with laboratory tube

Portrait of cheerful scientist showing laboratory tubes and looking to camera

Little girl in medical uniform with stethoscope holding x-ray image and smiling at camera isolated on white

Portrait of smiling scientist holding laboratory tubes with plants

Side view of concentrated scientist working with laboratory tube

Scientist showing laboratory tube, focus on foreground