907 免版稅 視頻檔案，用於"心髒病學"

大學外太空天文學恆星工藝星系電子學行星抽象藝術背景
Source code monitor display
科學工藝
Full HD
00:16
Book glasses cup
書籍閱讀
4K
00:12
Nebula galaxy space
奇幻小說外太空
Full HD
00:15
Aurora borealis northern lights green
天文學自然
4K
00:23
Swim dive snorkeling
水下海
HD
00:11
Planet moon ceres
天文學行星
Full HD
00:20
Venus space planet
外太空行星
Full HD
00:16
Site landfills aftereffect
垃圾填埋場資料圖
Full HD
00:34
Hexagon pattern ripple
六邊形模式
Full HD
00:05
Cpu cpu installation pc building
電子學電腦
4K
00:11
Cpu cpu removal pc building
電子學電腦
4K
00:11
Cell atom sphere
生物學細胞
Full HD
00:37
Pixabay logo robot
機器人電子學
Full HD
00:09
Sun star fire
行星恆星
Full HD
00:10
Utopia mystical abstract
奇幻小說科學幻想
Full HD
00:24
Moon full moon heaven
自然月球
Full HD
00:37
Planet universe asteroid
外太空行星
Full HD
00:20
K2 mountain himalaya
景觀自然
HD
00:06
Night sky stars
景觀科學
HD
00:25
Ocean cave sea
景觀水
Full HD
00:30
Shiva monastery monk
觀光景點健康
Full HD
00:17
Earth globe sea trenches
外太空非洲
Full HD
00:14
Earth globe sea trenches
外太空非洲
Full HD
00:20
Grass nature green
景觀科學
Full HD
00:24
Electricity electric current
背景科學
Full HD
00:06
New year new year's day sylvester
電子學原子
Full HD
00:14
Computer technology electronics
背景工藝
Full HD
00:07
Hands wash hygiene
清潔水
Full HD
00:18
Etna eruption sicily
自然山
Full HD
00:50
Circle round gold
背景金
Full HD
02:00
Book study education
書籍閱讀
Quad HD
00:08
Book study education
書籍閱讀
Full HD
00:10
Electronics lines conductivity
電子學光
Full HD
00:07
Electronics conductivity current
電子學光
Full HD
00:30
Electronics lines abstract
電子學光
Full HD
00:07
Space warp time
外太空星系
Full HD
00:10
Glasses medical alphabet
背景醫學
HD
00:16
Space stars universe
外太空星系
Full HD
00:24
Space universe land
外太空月球
HD
00:20
Bubbles shiny flying
電子學背景
Full HD
00:29
Wormhole space tunnel
外太空恆星
Full HD
00:40
Space stars universe
外太空星系
Full HD
00:25
Cabbage doves natural
蔬菜食物
Full HD
00:15
Hearts together valentine
自然婚礼
Full HD
00:03
Painting drawing colors
天時熱心脏
HD
00:21
Nebula galaxy creation
奇幻小說外太空
Full HD
00:15
Sun planet space
外太空行星
4K
00:09
Board chalk finance
符號科學
Full HD
00:30
Board chalk finance
符號科學
Full HD
00:13
Hubble space telescope astronauts nasa
科學工藝
Full HD
00:21
School playground sports
學校體育
Full HD
00:31
Book reading leaf through
書籍葉
4K
00:10
Astronomy space moon
外太空行星
Full HD
00:40
Saturn planet rings
天文學行星
Full HD
00:20
Moon zoom clouds
天文學月球
Full HD
00:21
Moon zoom clouds
天文學月球
Full HD
00:21
Moon zoom clouds
天文學月球
Full HD
00:21
Smoke ember fire
黑色火
Full HD
00:24
Geometry 3d metallic
益智遊戲金属
Full HD
00:06
Asteroid planet green screen
外太空行星
Full HD
00:15
Galaxy black hole spiral
星系恆星
Full HD
00:08
Lights to dye background
背景光
Full HD
00:23
Disk party music
舞蹈舞者
HD
01:40
Lights abstract background
背景光
Full HD
00:23
Lights abstract background
背景光
Full HD
00:23
Fiery tunnel fire
外太空背景
4K
00:20
Extraterrestrial visitors space
外太空背景
Full HD
00:11
The sun in the space against light sun
外太空行星
Full HD
00:14
MAH09099賽前暖身03
HD
02:02
MAH09050賽前暖身01
HD
01:09
MAH09065賽前暖身02
HD
01:32
Hubble space telescope astronauts nasa
科學工藝
Full HD
00:27
Jupiter moon space
奇幻小說外太空
4K
00:27
Green screen presentation office
學校咖啡
Full HD
00:30
Green screen presentation office
學校咖啡
Full HD
00:30
Green screen presentation office
學校咖啡
Full HD
00:30
Green screen presentation office
學校咖啡
Full HD
00:30
Hubble space telescope astronauts nasa
科學工藝
Full HD
00:24
Space warp tunnel
科學旅行
Full HD
00:05
Hub music retro
復古風格音樂
Full HD
00:19
Fry cabbage food
蔬菜食物
Full HD
00:54
Green screen dream hearts
背景符號
Full HD
00:10
Birthday carnival celebration
嘉年華油輪公司情人節
4K
00:05
Sharpener pencil school
鋒利的學校
Full HD
00:15
A circle rays heptagon
模式藍色
Full HD
00:10
Reading book baby
書籍嬰兒
Full HD
00:11
World sky astronomy
外太空天文學
Quad HD
00:18
Procedural generation circles stripes
圓形條紋
Full HD
00:10
Tunnel drops abstract
抽象藝術運動
Full HD
00:10
Technology computer computer science
工藝電腦
Full HD
00:06
Technology computer computer science
工藝電腦
Full HD
00:09
Technology computer computer science
工藝電腦
Full HD
00:08
Technology computer computer science
工藝電腦
Full HD
00:08
Technology computer computer science
工藝電腦
Full HD
00:07
Technology computer computer science
工藝電腦
Full HD
00:10
Technology computer science computer
工藝電腦
Full HD
00:10
Galaxy stars universe
奇幻小說背景
4K
00:05
Fish spa fish pedicure kangal fish
魚水
Full HD
00:08
Whiteboard undo erase
教學教育
Full HD
00:12
Technology computer computer science
工藝電腦
Full HD
00:09
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