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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
let's work this out
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scientists working in a laboratory on plants
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scientist working in a laboratory on plant experiments
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animation of mathematical equations over diverse students during chemistry lesson
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redheaded doctor in front of camera on gray background.
兩個聰明的小朋友在家裡做學校項目
doctor, tablet and problem solving with a science
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science, molecules and an asian woman professor
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animation of element diagram over happy african american senior female patient in hospital room
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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
stock science footage
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scientist working in a laboratory with plants
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women, scientist and glass beaker for analysis
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scientists writing on clear visual aid board
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two scientists conducting a plant experiment in a laboratory
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redheaded doctor in front of camera on gray background.
scientist conducts a classic chemical reaction experiment
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护士和女医生拿着covid-19疫苗的注射器的肖像
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
she's determined to find a solution
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an attractive young scientist looking sleepy
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chemist slowly mixing chemicals
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animation of dna strand over caucasian female scientist holding beaker
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白人研究者身穿白色外套和防护眼镜的女人在绿色田野中看着摄像机
研究人员的后视,手套上的女人在绿色的田野里敲打玻璃
animation of scientific data processing and molecules over diverse scientists in laboratory
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serious ethnic female trader analyzing cryptocurrency market statistics
scientists conducting plant research in a laboratory
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group of scientist studying together and conducting research
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female chemist in lab. woman chemist analyzing chemical liquid in lab flask
student taking notes in a chemistry lab
女醫生用疫苗填充注射器的肖像
scientist examining sample under microscope in a laboratory
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medical, research and woman with science
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woman doing control at brewery
scientist looking into a microscope with equations
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a young woman scientist at a creek, wearing protective eyewear and a lab coat, taking notes on a clipboard
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女员工在办公室的黑暗房间里向同事解释图形的幻灯片
women, scientist and pointing for test bottle
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兩個瘋狂的孩子坐在辦公桌旁做項目工作
science, results and woman with pipette
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redheaded doctor in front of camera on gray background.
woman with clipboard in brewery
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
pouring red liquid into beaker, girl in lab with chemical formulas animation
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animation of chemical molecules over caucasian male scientist taking sample in lab
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scientist woman writing a formula
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caucasian female doctor in safety goggles and mask holding flask with pills.
animation of virus cell over sick caucasian woman taking pills
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