science, microscope and black woman in laboratory at night for medical analysis, research and study. healthcare, biotechnology and scientist with equipment for sample, medicine or vaccine development - 顯微鏡 個影片檔及 b 捲影像00:07
science, microscope and study with of a woman in a laboratory for research and innovation. medical, pharmaceutical sample and a young scientist in a lab for development, discovery or breakthrough - 顯微鏡 個影片檔及 b 捲影像00:08體檢
latin american female researcher analyzing a sample under the microscope at the lab - 顯微鏡 個影片檔及 b 捲影像00:15
scientist, study and microscope in laboratory for research, microbiome report and medical development. woman, particles and dna for healthcare innovation, science and genes editing with biotechnology - 顯微鏡 個影片檔及 b 捲影像00:10
microscope, night scientist and lab research with medical job, science and molecule analysis. doctor, biotechnology and professional man in hospital with virus studying with mask and ppe equipment - 顯微鏡 個影片檔及 b 捲影像00:06體檢
research, microscope and black woman in laboratory at night for medical analysis, science and study. healthcare, biotechnology and scientist with equipment for sample, medicine or vaccine development - 顯微鏡 個影片檔及 b 捲影像00:09女人
dropper placing a liquids sample substance droplet on a microscope and microscope glass slide - 顯微鏡 個影片檔及 b 捲影像00:12
black female lab technician analyzing samples through a microscope in a hospital lab - 顯微鏡 個影片檔及 b 捲影像00:08
female scientist checks the bacteria or sample under the microscope, dolly shot, while scientists in background work - 顯微鏡 個影片檔及 b 捲影像00:17
black female scientist analyzing samples using a microscope at the hospital’s lab - 顯微鏡 個影片檔及 b 捲影像00:13
b/w 1950s high angle close up over-the-shoulder man looking through microscope at slide in laboratory - 顯微鏡 個影片檔及 b 捲影像00:12
biology: exploring the living world - part 15 of 18. examines the three lines of defense against infection - the skin and mucous membrane, the lymphatic system, and the circulatory system including liver and spleen. explains how the body becomes immune to - 顯微鏡 個影片檔及 b 捲影像00:33細菌
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close up of a female scientist looking at microorganisms under the microscope at the laboratory - 顯微鏡 個影片檔及 b 捲影像00:09女人
