ひげを生やした先生の研究室で少し学生作る実験を見て笑みを浮かべてください。 - ストックフォト＆画像

Smiling bearded teacher looking at little student making experiment in laboratory

Smiling teacher and student looking at flask with reagent in chemical laboratory

Smiling bearded teacher looking at little student making experiment in laboratory

Teacher and student scientists in protective glasses making experiment in lab

Little girl scientist in protective goggles making experiment in chemical lab

Two young female scientists making experiment in chemical laboratory

Young male and female scientists making experiment in laboratory

Young female scientists working with reagents in chemical laboratory

Smiling middle aged scientist in protective eyewear working with microscope and colleague standing behind

Smiling chemist in white coat holding test tubes with reagents and making experiment

Professional scientist in protective eyeglasses making experiment with reagents in test tubes

Smiling young scientist working with microscope in chemical lab

Attractive middle aged scientist working with microscope in chemical lab

Professional scientist in protective eyeglasses making experiment with reagents in test tubes

Smiling professional scientist in protective glasses making experiment in lab

Smiling chemist in protective eyeglasses holding test tube with reagent in lab

Professional chemists in uniform working in lab with computer mouse and keyboard