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免費 科學家的手 視頻 - 頁面 2

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scientist examining ancient bones and skulls in a laboratory
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macro shot of hand taking a date
smartwatch displaying health status
hand wearing medical glove holding blood sample on white background with copy space, slow motion
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man grabbing seeds on hand
scientist hand writing on test beakers
用手套和口罩的专业医生手里拿着医疗注射器,准备注射
male doctor using an futuristic digital tablet
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criminology. forensic expert examining detonated shell casings at the criminal site.
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白人研究人员穿着防护服和防护眼镜的人在绿色的田野里敲打玻璃
animation of light bulb over hands with network of connections background
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研究人员的后视,手戴手套的男子在绿色的田野里敲打玻璃
animation of dna strand on interface over caucasian female doctor filling drip bag
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person buttoning a white shirt
medical professional holding a vial
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scientist looking into a microscope
focused scientist showing cannabis pill
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scientists examining a fossil
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animation of mathematical equations over biracial male scientist working in lab
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archaeologist examining a fossil
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animation of scope scanning and data processing over biracial female scientist
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businessman showing dna helix
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a calculation is shown on a blackboard - medical laboratory
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animation of data processing with arrows over man touching biometric screen
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pharmacist putting pills on the counter
戴著防護套裝和眼鏡的科學家在實驗室工作,用植物樣本
bartender preparing cocktail
craftswoman working in workshop
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白人研究員女士在綠色田野中進行害蟲控制時,戴著防護服拿著試管
animation of mathematical equations over caucasian male scientist in lab
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女教师手在桌子上画几何形状
戴眼鏡的年輕女子的肖像,她的子和手圍著一條白色寵物蛇,手在綠色背景上2
pepper mill grinding fresh black pepper on food
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animation of mathematical equations , hand holding globe and data processing over cityscape
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白人研究員,戴著白色外套和護眼鏡的女性,在綠色田野中看試管
animation of network of connections over hands of caucasian man repairing computer hardware
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animation of scientific data processing over caucasian male surgeon in hospital
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animation of circuit board over human brain in woman''s hands
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studying under a microscope
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cupping therapy process
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animation of hand undergoing xray procedures
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現代舞者在工作室中移動的手的近視
scientists looking through microscope
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animation of mathematical equations over caucasian male scientist in lab
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男人按<unk>袖白色<unk>衫在黑暗的背景下室内
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两名儿童正在构建电气机制的近距离拍摄
chemistry experiment in a lab
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研究人员的后视,手戴手套的男子在绿色的田野里敲打玻璃
高级白人男性医生手在笔记本电脑上打字
scientist examining a fossil bone
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