4K 手、平板电脑和实验室里的男士，科学和研究，以及医学实验、生物技术或专家。特写镜头，人物或 股票录像 手、平板电脑和实验室里的男士，科学和研究，以及医学实验、生物技术或专家。特写镜头，人物或 股票录像
4K Robotic window cleaner with rotating microfiber pads washing glass surface closeup person hand holding remote control guiding 股票录像 Robotic window cleaner with rotating microfiber pads washing glass surface closeup person hand holding remote control guiding 股票录像
4K Hands athlete and smart watch for fitness outdoor heart rate exercise monitor progress closeup person wristwatch time tracking 股票录像 Hands athlete and smart watch for fitness outdoor heart rate exercise monitor progress closeup person wristwatch time tracking 股票录像
4K Hands tie laces and man in city training exercise for wellness start routine fitness closeup person or sports runner with warm up 股票视频 Hands tie laces and man in city training exercise for wellness start routine fitness closeup person or sports runner with warm up 股票视频
4K Hands protein shake or man in gym cellphone or digital app for nutrition info closeup person or athlete in wellness hands protein 影视素材 Hands protein shake or man in gym cellphone or digital app for nutrition info closeup person or athlete in wellness hands protein 影视素材
4K 手、平板电脑和实验室里的女人，研究和科学与医学实验、互联网和专家。特写，人或科学家与生物技术、药物试验结果或疫苗报告或应用程序的反馈。 股票视频 手、平板电脑和实验室里的女人，研究和科学与医学实验、互联网和专家。特写，人或科学家与生物技术、药物试验结果或疫苗报告或应用程序的反馈。 股票视频
4K Business hands and man with smartphone credit card online shopping transactions closeup person web designer cellphone ecommerce 股票视频 Business hands and man with smartphone credit card online shopping transactions closeup person web designer cellphone ecommerce 股票视频
4K Hands business and woman with tablet internet social media connection ad agency email closeup person sales consultant in workplace 股票录像 Hands business and woman with tablet internet social media connection ad agency email closeup person sales consultant in workplace 股票录像
4K Home hands and chef in kitchen tablet and typing with connection online recipe and wellness closeup person and man with technology 股票视频 Home hands and chef in kitchen tablet and typing with connection online recipe and wellness closeup person and man with technology 股票视频
4K Hands outdoor and man with fitness smart watch tracking progress training closeup person runner in city check time exercise 股票视频 Hands outdoor and man with fitness smart watch tracking progress training closeup person runner in city check time exercise 股票视频
4K Hands business and woman typing on laptop for research planning schedule and financial report closeup person and information for 股票视频 Hands business and woman typing on laptop for research planning schedule and financial report closeup person and information for 股票视频
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