研究室で研究をしながら、ドロッパーとペトリ皿を使用して、アフリカ系アメリカ人の科学者 - ストックフッテージ＆ビデオ

Focused african american doctor adding red liquid into test tube while making analysis in laboratory

Serious african american scientist making research and using dropper and petri dishes in laboratory

4K Close up of medical researcher in the lab looking at a slide under microscope

Selective focus of serious african american doctor using digital tablet while sitting at workplace in laboratory

4K Close up of medical researcher in the lab looking at a slide under microscope

4K Close up of medical researcher in the lab looking at a slide under microscope

Focused african american doctor adding red liquid into test tube while making analysis in laboratory

Serious african american scientist making research and using dropper and petri dishes in laboratory

Selective focus of serious african american doctor using digital tablet while sitting at workplace in laboratory

Selective focus of african american scientist using smartphone in clinical laboratory

Concentrated african american doctor using laptop while sitting at workplace in laboratory

Cheerful african american doctor smiling and gesturing while talking on smartphone in laboratory