778 免版税 视频文件，用于"学习"

大学外层空间恒星星系天文学行星电子学背景抽象艺术科学
Flowers botany inflorescence
花卉洋葱
Full HD
00:15
Electronics circuit component
电子学背景
HD
00:12
Electronics circuit board lights
电子学光
HD
00:12
Atoms electrons pixabay
电子学原子
Full HD
00:14
Heart pulse lifestyle
医疗药物背景
HD
00:10
Sun space cosmos
外层空间行星
Full HD
00:10
Nebula galaxy space
外层空间奇幻
Full HD
00:15
Voyager probe universe
外层空间宇宙飞船
Full HD
00:30
Space cosmos atom
外层空间背景
Full HD
00:10
Spiral metaphysical movement
科学技术
HD
00:45
Matrix numbers green
动物背景
Full HD
00:15
Source code monitor display
科学技术
Full HD
00:16
Book glasses cup
图书阅读
4K
00:12
Human anatomy x-rays
医疗药物身体
HD
00:09
Aurora borealis northern lights green
天文学性质
4K
00:23
Space galaxy blue
背景奇幻
4K
00:10
Planet moon ceres
天文学行星
Full HD
00:20
Hexagon pattern ripple
六边形模式
Full HD
00:05
Meteorites galaxy space
外层空间星系
4K
00:37
Circle round gold
背景金
Full HD
02:00
Pixabay logo robot
机器人电子学
Full HD
00:09
Galaxy space acceleration
外层空间星系
SD
00:20
Sun star fire
行星恒星
Full HD
00:10
The earth planet earth
外层空间行星
Full HD
00:20
Bubbles shiny flying
电子学背景
Full HD
00:29
Moon full moon heaven
性质月球
Full HD
00:37
Earth space galaxy
外层空间行星
Full HD
00:05
Universe space night sky
外层空间恒星
Full HD
00:25
Grass nature green
景观科学
Full HD
00:24
Writing letter printing
科学学校
Full HD
00:20
K2 mountain himalaya
景观性质
HD
00:06
Nebula galaxy creation
外层空间奇幻
Full HD
00:15
Electricity electric current
背景科学
Full HD
00:06
Night sky stars
景观科学
HD
00:25
Venus space planet
外层空间行星
Full HD
00:16
New year new year's day sylvester
电子学原子
Full HD
00:14
School playground sports
学校体育
Full HD
00:31
Hands wash hygiene
清洁水
Full HD
00:18
Smoke ember fire
黑色火
Full HD
00:24
Electronics lines conductivity
电子学光
Full HD
00:07
Electronics conductivity current
电子学光
Full HD
00:30
Electronics lines abstract
电子学光
Full HD
00:07
Galaxy black hole spiral
星系恒星
Full HD
00:08
Glasses medical alphabet
背景医学
HD
00:16
Planet universe asteroid
外层空间行星
Full HD
00:20
Earth globe sea trenches
外层空间非洲
Full HD
00:20
Jupiter moon space
外层空间奇幻
4K
00:27
Earth globe sea trenches
外层空间非洲
Full HD
00:14
Heart heartbeat slow heart
心脏膈面健康
Full HD
00:06
Board chalk finance
符号科学
Full HD
00:30
Board chalk finance
符号科学
Full HD
00:13
Sun planet space
外层空间行星
4K
00:09
Heart function anatomy
图示科学
Full HD
00:17
Procedural generation circles stripes
条纹圆
Full HD
00:10
Saturn planet rings
天文学行星
Full HD
00:20
Moon zoom clouds
天文学月球
Full HD
00:21
Moon zoom clouds
天文学月球
Full HD
00:21
Moon zoom clouds
天文学月球
Full HD
00:21
Geometry 3d metallic
智力游戏金属
Full HD
00:06
Galaxy stars universe
背景奇幻
4K
00:05
Lights to dye background
背景光
Full HD
00:23
Space warp time
外层空间星系
Full HD
00:10
Disk party music
舞蹈舞者
HD
01:40
Space universe land
外层空间月球
HD
00:20
Wormhole space tunnel
外层空间恒星
Full HD
00:40
Lights abstract background
背景光
Full HD
00:23
Lights abstract background
背景光
Full HD
00:23
Space stars universe
外层空间星系
Full HD
00:24
Space stars universe
外层空间星系
Full HD
00:25
Extraterrestrial visitors space
外层空间背景
Full HD
00:11
Moon star blue
外层空间奇幻
Full HD
00:19
Hubble space telescope astronauts nasa
科学技术
Full HD
00:21
Brain function anatomy
符号科学
Full HD
00:12
Sharpener pencil school
锋利的学校
Full HD
00:15
A circle rays heptagon
模式藍色
Full HD
00:10
Astronomy space moon
外层空间行星
Full HD
00:40
Tunnel drops abstract
抽象艺术运动
Full HD
00:10
Etna eruption sicily
性质山
Full HD
00:50
Cpu cpu installation pc building
电子计算机电子学
4K
00:11
Cpu cpu removal pc building
电子计算机电子学
4K
00:11
Procedural generation spiral fire
模式圆
Full HD
00:14
Asteroid planet green screen
外层空间行星
Full HD
00:15
Fish spa fish pedicure kangal fish
鱼水
Full HD
00:08
Whiteboard undo erase
教学教育
Full HD
00:12
Reading book baby
图书嬰兒
Full HD
00:11
Book reading leaf through
图书树叶
4K
00:10
Stars long exposure starry sky
景观性质
00:05
Fiery tunnel fire
外层空间背景
4K
00:20
Stars long exposure starry sky
景观性质
00:05
Stars long exposure starry sky
景观性质
00:05
Gloves hospital white
医疗药物科学
Full HD
00:10
Green screen presentation office
学校咖啡
Full HD
00:30
Green screen presentation office
学校咖啡
Full HD
00:30
Green screen presentation office
学校咖啡
Full HD
00:30
Green screen presentation office
学校咖啡
Full HD
00:30
The sun in the space against light sun
外层空间行星
Full HD
00:14
Laboratory architecture modern
工具类科学
Full HD
00:11
Flower of life sacred geometry geometry
符号模式
Full HD
01:00
Hubble space telescope astronauts nasa
科学技术
Full HD
00:27
Hubble space telescope astronauts nasa
科学技术
Full HD
00:24
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