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免費 病毒檢測 視頻 - 頁面 2

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白人研究人员穿着防护服,手持试管,在绿地进行害虫控制时使用笔记本电脑
doctor in ppe suit working at pc while chemist using microscope
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醫生用疫苗填充注射器的近距離手
scientist examining a small plant in a laboratory setting.
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醫生用注射器填充瓶子時的近距離手
兩個穿著個人防護裝置的清潔人員在辦公大樓內觀看攝影機
close up of dentistry doctors talking wearing hazmat suit
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black lab scientist in protective uniform using microscope
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科学家身穿防护服和呼吸器的近距离肖像 检查红色药丸
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白人研究員身穿白色外套和防護眼鏡的女性在綠色田野中觀看試管
mathematical equations floating against health worker wearing face mask working at laboratory
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animation of chemical formulas over caucasian female lab worker in safety clothes and samples
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chemist researcher in coverall looking at bacteria sample from glass
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temperature check at airport or public transit
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woman operator in control room
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medical professional holding a covid-19 vaccine
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orthodontists in ppe suits making diagram with sticky notes
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veterinarian using syringe
兩個穿著個人防護裝置的清潔人員從辦公室大樓內的玻璃電梯中走出來
chemists in coverall trying to develop vaccine using tablet standing behind the glass wall
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technician repairing motherboard chip
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paramedic in medical mask looking at camera in emergency car
新冠病毒疫苗的液體,在診所房間的桌子上有covid-19疫苗的膠囊,醫生在背景下注射,注射套件,疫苗接種概念
stomatologists with ppe suits holding digital tablet with teeth x ray
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senior scientist in mask using microscope in lab
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animation of floating macro covid-19 cells over doctor taking sample and wearing medical gloves
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scientist nurse in ppe suit taking notes on computer looking at test tube
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team of stomatologists wearing ppe suits using tablet
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animation of words covid-19 and macro covid-19 cells icons floating over caucasian male scientist we
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一名不明身份的黑客在深夜在笔记本电脑上打字并偷窃网络数据库数据
scientist using a scanning electron microscope (sem)
medical, research and covid science team doing
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chemical research experiment
female lab scientist in protective uniform looking through microscope
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animation of covid 19 cells with female doctor wearing mask putting on gloves
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dental technician preparing for work
animation of covid-19 cells against team of workers wearing protective clothes disinfecting office
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medical professional in ppe taking notes
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temperature check at public transit hub
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scientist hand writing on test beakers
白人女性和男性研究人员拿着化学物质和杀虫剂的试管,并在绿色领域使用笔记本电脑
female scientist hand examining blood sample in test tube
靠近漂亮的女性医生脱下医疗面具和安全眼镜并看着摄像头
一支戴著面具的工作團隊在咖啡店打招呼
orthodontics doctors with face shield discussing in reception
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professional stomatologists using digital tablet in dental cabinet
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animation of red corona virus with scientist in background
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白人研究員穿著防護服的男子,在綠色田野中進行害蟲控制時,握著試管
doctor draw medical syringe using drip bag in hospital infectious disease unit.
medical scientist in ppe suit working with dna scan image
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