a hand of an african-american doctor in a blue medical protective glove, pointing into a camera or on a glass board in the foreground on a defocused background - 生物信息學 個照片及圖片檔
a young female african-american actress playing a scientist working with petri dishes in a laboratory - 生物信息學 個照片及圖片檔實驗室, 女演員
a young female african-american scientist working late in a modern laboratory, preparing a blood sample for a medical test - 生物信息學 個照片及圖片檔
a young beautiful scientist working with petri dishes in a modern laboratory, sitting at her desk, we see her in profile - 生物信息學 個照片及圖片檔
a young smart african-american scientist is writing a chemical reaction on a glass board in front of her in a modern laboratory - 生物信息學 個照片及圖片檔
a young smart african-american scientist is thinking about a solution of a chemical reaction written on a glass board in front of her in a modern laboratory - 生物信息學 個照片及圖片檔實驗室, 玻璃杯, 眼鏡
a young smart african-american scientist is writing a solution of a chemical reaction on a glass board in front of her in a modern laboratory - 生物信息學 個照片及圖片檔科學家
a young african-american scientist thinking on solution of a chemical reaction written on a glass board in from of her - 生物信息學 個照片及圖片檔
a young thoughtful beautiful african-american scientist writing formulas on a glass board, we see her behind that board - 生物信息學 個照片及圖片檔科學家
a young thoughtful african-american scientist behind a glass board, during scientific research in a pharmaceutical field looking at chemical formulas written on that board - 生物信息學 個照片及圖片檔
a young thoughtful african-american scientist behind a glass board, during scientific research in a pharmaceutical field looking at chemical formulas written on that board - 生物信息學 個照片及圖片檔
a young thoughtful african-american scientist behind a glass board, looking at chemical formulas written on it - 生物信息學 個照片及圖片檔
a young female african-american scientist looking at a petri dish in a laboratory - 生物信息學 個照片及圖片檔培養皿, 科學家
a close-up of a young concentrated african-american scientist in protective eyewear on a blurred background - 生物信息學 個照片及圖片檔
a close-up of a young concentrated african-american scientist in protective eyewear is working with petri dishes at her desk in a modern laboratory - 生物信息學 個照片及圖片檔培養皿, 科學家, 病毒學
a close-up of a young concentrated african-american scientist in protective eyewear, sitting at her desk in a modern laboratory - 生物信息學 個照片及圖片檔
a young beautiful african-american scientist working with petri dishes, sitting at her desk in a modern laboratory - 生物信息學 個照片及圖片檔
a young attractive scientist posing on camera with a smile, sitting at her desk in a modern laboratory - 生物信息學 個照片及圖片檔
a young african-american scientific researcher in a lab coat smiles sitting at her desk with a microscope on it in a modern lab - 生物信息學 個照片及圖片檔檢查, 女性, 實驗室
an african-american student in protective mask with a microscope on a blurred background - 生物信息學 個照片及圖片檔
a young female african-american laboratory doctor looking in a microscope in a modern laboratory, conducting a medical blood test - 生物信息學 個照片及圖片檔分子結構, 體檢
a close-up of a microscope and a scientist's hands in protective gloves on a blue background - 生物信息學 個照片及圖片檔顯微鏡, 醫生
a young african-american doctor in protective mask looking in a microscope on a blurred background - 生物信息學 個照片及圖片檔
a young african-american doctor is looking at a microscope slide in her hand, working with a microscope in a modern laboratory - 生物信息學 個照片及圖片檔
a young african-american doctor is working with a mechanic micropipette and a microscope slide in a modern laboratory - 生物信息學 個照片及圖片檔
the process of blood analysis. a young african-american microbiologist works with blood samples in test tubes, sitting at her desk in a modern scientific laboratory - 生物信息學 個照片及圖片檔
a young african-american lab worker is going to subscribe test tubes with blood samples, sitting at her desk in a modern medical laboratory - 生物信息學 個照片及圖片檔檢查
a young african-american lab worker subscribes blood samples in test tubes, sitting at her desk in a modern medical laboratory - 生物信息學 個照片及圖片檔
a young african-american microbiologist is working with blood samples in test tubes, marking them for the research - 生物信息學 個照片及圖片檔
a young cute african-american lab doctor working with blood samples, sitting at her desk in a modern medical laboratory - 生物信息學 個照片及圖片檔
a young african-american lab worker subscribing test tubes with blood samples, sitting at her desk in a modern medical laboratory, conducting blood analysis - 生物信息學 個照片及圖片檔
a young beautiful african-american doctor writes test results, sitting at her desk in a modern lab, we see her from the waist up - 生物信息學 個照片及圖片檔
a close-up of a beautiful african-american scientist writing test results, sitting at her desk in a modern lab - 生物信息學 個照片及圖片檔實驗室
a beautiful smiling african-american scientist at work, sitting at her desk in a modern lab - 生物信息學 個照片及圖片檔
a female african-american scientist at work, sitting at her desk in a modern lab, conducting chemical reaction in a test tube - 生物信息學 個照片及圖片檔實驗室, 分子結構, 體檢
beautiful african-american laboratory doctor at work, sitting at her desk in a modern lab, mixing liquids in a test tube - 生物信息學 個照片及圖片檔實驗室, 顯微鏡
a young beautiful african - american scientist in a lab coat works with a glass test tubes conducting chemical tests in a modern laboratory - 生物信息學 個照片及圖片檔檢查, 實驗室, 非洲人
a young beautiful african - american chemist in a lab coat conducting chemical tests in a university lab - 生物信息學 個照片及圖片檔實驗室, 顯微鏡, 科學家
a student in a white lab coat working in a modern laboratory, we see her in a professional light - 生物信息學 個照片及圖片檔
a young beautiful african - american student conducting tests in a chemical laboratory in a university - 生物信息學 個照片及圖片檔大學, 實驗室, 科學家
a scientist with a blood test tube in her hand, sitting in a modern laboratory and conducting an analysis - 生物信息學 個照片及圖片檔
a young beautiful african - american researcher in protective glasses and gloves looking at a blood sample test tube in her hand - 生物信息學 個照片及圖片檔實驗室, 職業
a close-up of a young beautiful african - american doctor in protective glasses and gloves looking at a petri dish with bacterial growth - 生物信息學 個照片及圖片檔
a young beautiful african - american microbiologist in protective glasses works with petri dish with bacterial growth in a modern laboratory - 生物信息學 個照片及圖片檔
a young beautiful african - american biologist in protective glasses looking at the small petri dish with bacterial growth in a modern laboratory - 生物信息學 個照片及圖片檔
a test tube rack with glass test tubes and a young, beautiful, defocused laboratory worker in the background - 生物信息學 個照片及圖片檔
a young beautiful african-american lab assistant in protective glasses at work in a modern laboratory - 生物信息學 個照片及圖片檔
a young beautiful concentrated microbiologist in protective glasses in a modern laboratory, working with micropipette at her table with laboratory flasks and glass test tubes in a test tube rack - 生物信息學 個照片及圖片檔顯微鏡, 科學家
a young beautiful concentrated microbiologist in protective glasses in a modern laboratory - 生物信息學 個照片及圖片檔實驗室
a young beautiful african-american scientist in protective glasses works with automatic pipette in a modern laboratory - 生物信息學 個照片及圖片檔
a scientist in a white lab coat, protective mask and gloves working with a microscope in a modern laboratory, we see a computer monitor in the foreground - 生物信息學 個照片及圖片檔芬蘭, 分子結構, 科學家
a scientist in a white lab coat, protective mask and gloves working with a microscope in a modern laboratory - 生物信息學 個照片及圖片檔
a scientist in protective mask and gloves working with a microscope in a modern laboratory - 生物信息學 個照片及圖片檔
a white scientist, working in a laboratory, sitting at a table behind test tube racks with glass test tubes - 生物信息學 個照片及圖片檔
