gloved male policeman holding a female suspect's hand to print a black ink cartridge. - 革蘭氏染色 個影片檔及 b 捲影像00:22
a hand in a protective glove taking colored petri dish from a white table in slow motion - 革蘭氏染色 個影片檔及 b 捲影像00:12
colored fungus molds in plastic petri dishes on a white lightened table in slow motion - 革蘭氏染色 個影片檔及 b 捲影像00:11細菌
colored fungus molds in plastic petri dishes on a white lightened table in slow motion - 革蘭氏染色 個影片檔及 b 捲影像00:14
small plastic petri dishes with various bacterial growth on a lightened table - 革蘭氏染色 個影片檔及 b 捲影像00:13
a hand in protective glove puts a petri dish with colorful nutrient agar on a white illuminated table with a lot of colorful petri dishes - 革蘭氏染色 個影片檔及 b 捲影像00:07細菌
a close-up of escherichia coli inside the body under a microscope. close-up of 3d microscopic blue bacteria. - 革蘭氏染色 個影片檔及 b 捲影像00:15
a close-up of escherichia coli inside the body under a microscope. close-up of 3d microscopic blue bacteria. - 革蘭氏染色 個影片檔及 b 捲影像00:15細菌