Sokkos gyerekek fehér köpenyben megérintik az arcokat és a kamerát nézik a kémiai laborban, banner - Stock fotó és kép

Shocked girl in goggles touching head and looking at camera in chemical laboratory, banner

Shocked preteen kids in white coats touching faces and looking at camera in chemical laboratory

Bewildered little scientist scratching head and looking at green liquid in flask while conducting chemical experiment during lesson in lab

Smiling girl showing hands in latex gloves in chemical laboratory, banner