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によって AntonLozovoyVideo 3840x2160 px
ストックビデオID: 266193114
African american scientist looking at sample through microscope in lab
African american scientist using digital tablet, looking at glass flasks and using microscope in lab
African american scientist using digital tablet and looking at glass flasks in lab
African american scientist in glasses writing on clipboard while looking at sample through microscope in lab
African american scientist sitting on chair and looking at sample through microscope in lab
African american scientist talking on smartphone and looking at sample through microscope in lab