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穿著化學防護服和戴著輻射測量裝置的面具的人的肖像
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multiple covid-19 cells over group of health workers holding disinfectant sprayer at the gym
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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
白人年輕人穿著白色個人防護裝備的肖像,站在室外,看著攝影機
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
scientist analyzes vaccine against coronavirus, blue blackground
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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
兩名實驗室技術人員穿著防護服在實驗室工作
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白人研究人员穿着白色防护服和防护眼镜在绿色田野里行走,
辦公大樓內一個穿著個人防護裝置的清潔工在清潔窗戶玻璃的正面圖 1
白人研究員在綠色田野中進行害蟲控制時,身穿防護服的男子拿著試管
portrait shot worker put off the protective mask and respirator outdoors
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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
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
worried scientists in ppe suit talking behind the glass wall
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白人研究人员穿着白色防护服和防护眼镜在绿色田野里行走,
白人研究員穿著防護服,拿著試管,在綠地進行害蟲控制時使用筆記型電腦
一名身穿防护服和防毒面具的男子在前景抽烟
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adult in white hazmat suit wearing face respirator surrounded by purple smoke
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fireman wearing a professional gas mask poses amidst swirling smoke, showcasing protective gear for emergency situations
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a man showing stop sign - standing in the empty cinema, wearing white protection costume
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portrait physician protective suit posing in hospital infectious department.
兩個實驗室技術人員在實驗室工作
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白人研究員穿著防護服,在綠地進行害蟲控制時使用筆記型電腦
virologist is holding in hands tube with vaccine from covid-19 closeup of human face in laboratory pandemic of coronavirus
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白人研究人员穿着防护服和防护眼镜的人在田野里散步,收集小麦草
portrait of pharmacy factory worker
virologist is researching danger virus in laboratory man is dressed protective overall and face mask with respirator developing of bacteriological weapon
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在松樹林裡的孩子,臉上戴著黑色防毒面具
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白人研究者身穿防护服的男子在绿色田野中进行害虫控制时拿着试管和树枝
hazard sign with total confirmed number rising against rosary falling
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forensic photographer taking photos, looking into camera, front face middle shot
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biohazard symbol and covid-19 cells floating against digital interface with data processing
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scientist is experimenting in chemical laboratory with dangerous reagents dropping liquid by pipet in plate development of new drug or vaccine
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worker in protective suit inside the ruined building jumping from the destroyed locker
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anonymous farmer spraying pesticide on lemon trees while riding tractor
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一群多民族的人在街上抗议种族主义
male doctor in protective uniform going through hospital
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crime investigator photographer using camera, front middle head shot, copyspace
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male scientist is working with dangerous and toxic chemicals in chemical laboratory using protective dress mask and gloves researching by microscope
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after effects composition - village burning, during wartime
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安全防毒面具 03
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a man wearing a gas mask in the middle of a busy city street
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穿著個人防護裝備的清潔人員在辦公大樓內清潔窗戶玻璃的正面圖
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
portrait of doctors in protective uniforms at work
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medical worker wearing sweaty protective goggles during coronavirus pandemic
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一名非洲裔美國人在街上抗議警察,並與多種族群眾一起大喊大叫
doctors in protective wear walking along hospital hallway
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worker in protective suit inside the ruined building, close up
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