私たちの研究室を訪問します。彼の顔に笑顔を維持して青い液を調べながら眉を上げ喜んで科学者 - ストックフォト＆画像

It is all about proportions. Waist up shot of a mature gentleman wearing a lab coat concentrating his attention on a pipette while adding a chemical liquid into a test tube.

Attentive process. Selective focus on a test tube with a blue chemical liquid and a pipette held by a mature lab worker conducting a chemical experiment.

Biological engineering. Serious handsome male biologist standing in the lab and looking at the test tube while conducting a biological experiment

Competent scientist. Confident practitioner looking attentively at pipette while adding some drops of reagent while waiting for reaction

Biological test sample. Selective focus of a test tube being held by a nice smart professional scientist while taking a biological test sample

Professional research. Selective focus of laboratory equipment being used for doing a professional research

Pour it down. Handsome male person expressing positivity and pressing lips while looking at pipette

Sterile instrument. Positive delighted practitioner keeping smile on his face and holding test tube while taking sample of blue liquid

Pleasant communication. Cute brunette girl keeping smile on her face while listening to her colleague

Accurate observation. Professional biologist working in a lab and holding a test tube

Funny test. Smiling female keeping medicine dropper in right hand while sitting at the laboratory and her colleague standing behind her

Close to hand. Delighted scientist opening his mouth and wearing protective glasses while looking at chemical reagent

Modern agro engineering. Nice smart man pointing at the test tube while working in the agro engineering laboratory

Modern science. Pleasant intelligent woman looking at the test tube while doing a scientific research