science, microscope and study with of a woman in a laboratory for research and innovation. medical, pharmaceutical sample and a young scientist in a lab for development, discovery or breakthrough - 發現 個影片檔及 b 捲影像00:08體檢
female hiker stands at viewpoint with arms wide open, enjoying view of sunset, lake and city below - 發現 個影片檔及 b 捲影像00:31日落
mask of changing frame. transition arrow 4k resolution. alpha transparent channel, cartoon transition animation, 2d animation - 發現 個影片檔及 b 捲影像00:08
closeup, research and hands with pipette, medical and health with breakthrough, cure and experiment in lab. zoom, researcher or scientist with gloves, laboratory equipment or innovation for diagnosis - 發現 個影片檔及 b 捲影像00:07
slo mo underwater closeup of playful boy's hand collecting bubbles in river water - 發現 個影片檔及 b 捲影像00:12大自然
science, medicine and research with a collage of people working in a lab, hospital and medical facility. innovation, analytics and development in a laboratory for breakthrough in tech and treatment - 發現 個影片檔及 b 捲影像00:11
scribble hand drawn transition made of white lines moving to the center of the screen. green screen. - 發現 個影片檔及 b 捲影像00:02
rising sun illuminates our blue planet's clouds, oceans and peaceful cities 4k stock video - 發現 個影片檔及 b 捲影像00:15地球, 外太空, 星球
the steam age (history of transportation, part i) - part 4 of 29. describes the swift development of transportation in the united states from the time of the indians to the coming of the automobile. historical reenactments and unusual prints of the period - 發現 個影片檔及 b 捲影像00:31
empty laboratory without human employees. artificial intelligence research pushing out human scientists - 發現 個影片檔及 b 捲影像00:10
tablet, screen and woman doing research on bacteria, dna or rna in a medical innovation laboratory. technology, biology and female scientist analyzing a disease on mobile device in a science lab. - 發現 個影片檔及 b 捲影像00:08細菌
cheerful coworkers celebrate as they find the solution to their problem during their meeting - 發現 個影片檔及 b 捲影像00:11辦公室
apollo 11 astronaut neil armstrong, stepping off ladder onto lunar surface, first man on the moon - 發現 個影片檔及 b 捲影像00:06月球表面, 太空人