4,184 免版稅視頻檔案，用於"學步的兒童"

科學大學背景天文學外太空藍色奇幻小說魔法光神秘

Idyll romance at night at the lake

Full HD

00:26

Rocket launch start sequence propulsion

電子學數字的

4K

00:12

Geometry 3d metallic

幾何學金属

Full HD

00:08

Geometry 3d metallic

幾何學金属

Full HD

00:06

Space astronomy science

外太空科學

Full HD

00:15

Space science astronomy

外太空科學

Full HD

00:12

Red blood cells erythrocyte blood

00:12

Space stars warp

外太空星系

4K

00:35

Cern particle cloud chamber

物理學科學

Full HD

00:19

Soap bubble freeze crystal formation

4K

00:25

Soap bubble freeze crystal formation

4K

00:15

Soap bubble freeze freehand

4K

00:18

Bicycles sports vehicles

Full HD

00:44

Dog fetching park

Full HD

00:15

Energy atom atomic

00:10

Space universe astronomy

外太空科學

Full HD

00:12

Flowers botany inflorescence

Full HD

00:15

Nebula galaxy creation

奇幻小說外太空

Full HD

00:15

Earth night globe

Full HD

00:20

Sharpener pencil school

鋒利的學校

Full HD

00:15

Sun hot sunspots

天文學科學

4K

00:30

Spiritual mysticism fantasy

奇幻小說童話

Full HD

00:48

Dna helix deoxyribonucleic acid

生物學科學

Full HD

00:06

Outdoors hiking path

HD

00:18

Runner shore coast

Full HD

00:12

Black black friday background

Full HD

00:10

Spiral metaphysical movement

HD

00:45

Book glasses cup

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

Cell biology education

Full HD

00:10

Intestines intestine function

醫療藥物科學

Full HD

00:13

The teacher writes homework the teacher wipes the board yellow cloth

鐵路列車學校

Full HD

00:12

The teacher writes homework the teacher wipes the board yellow cloth

鐵路列車學校

Full HD

00:07

The teacher writes homework the teacher wipes the board yellow cloth

鐵路列車學校

Full HD

00:08

The teacher writes homework the teacher wipes the board teacher

鐵路列車學校

Full HD

00:21

Mr stockboto green screen blue screen

奇幻小說背景

Full HD

00:30

Mr stockboto green screen blue screen

奇幻小說背景

Full HD

00:26

Mr stockboto green screen blue screen

奇幻小說背景

Full HD

00:11

Mr stockboto green screen blue screen

奇幻小說背景

Full HD

00:13

Mr stockboto green screen blue screen

奇幻小說背景

Full HD

00:16

Mr stockboto green screen blue screen

奇幻小說背景

Full HD

00:24

Mr stockboto green screen blue screen

奇幻小說背景

Full HD

00:16

Mr stockboto green screen blue screen

奇幻小說背景

Full HD

00:17

Mr stockboto green screen blue screen

奇幻小說背景

Full HD

00:16

Universe space galaxies

奇幻小說科學

4K

00:32

Soap bubble freeze burst

4K

00:13

Training apparatus girl sports

4K

00:19

Squirrel grey squirrel running

野生動物動物

Full HD

00:35

Vacation balcony girl

HD

00:04

Space travel nebula

Full HD

00:25

Artificial insemination human anatomy bench

科學家健康

Full HD

00:04

Circle round gold

Full HD

02:00

Earth science world

Full HD

00:20

Running people bokeh

天時熱背景

Full HD

00:27

Space light universe

外太空天文學

Full HD

00:12

PC230010~1

PC230011~1

Dna genetics clone

建築物科學

Full HD

00:18

Relaxation relax water

Full HD

00:11

Nebula space galaxy

外太空科學

Full HD

00:16

Space stars sky

HD

00:09

Lungs anatomy medical

醫療藥物科學

Full HD

00:15

Get ready get set go

Full HD

00:07

Running people sports

天時熱城市

Full HD

00:24

Heart treatment medical

醫療藥物科學

Full HD

00:18

Earth science space

Full HD

00:20

Book text reading

4K

00:14

Matrix numbers green

Full HD

00:15

Spring walk park

4K

00:12

Dna genetics molecular biology

醫療藥物科學

Full HD

00:25

Lights to dye background

Full HD

00:23

Geometry 3d metallic

益智遊戲金属

Full HD

00:06

Lights abstract background

Full HD

00:23

Lights abstract background

Full HD

00:23

Chemistry elements periodic table

科學家科學

HD

00:11

Internet cafe library workstations

Full HD

00:12

Atom fusion molecule

電子學科學

Full HD

00:10

Gears mechanics industry

工具類工藝

HD

00:18

Fractal render 3d

Full HD

00:16

Night sky stars

HD

00:25

Toy train playing train

聖誕節玩具

Full HD

00:14

MVI_7837_Rufous Limestone-babbler

Merry-go-round carousel amusement park

嘉年華油輪公司馬戲團

Full HD

00:14

Eyeball eye anatomy

醫療藥物科學

4K

00:10

Space warp tunnel

Full HD

00:05

Fish spa fish pedicure kangal fish

Full HD

00:08

Laboratory architecture modern

工具類科學

Full HD

00:11

Solar eclipse moon astronomy

Full HD

00:08

Planet earth space

外太空行星

Full HD

00:20

Planet earth space

外太空行星

Full HD

00:22

Planet earth space

外太空行星

Full HD

00:20

Planet earth space

外太空行星

Full HD

00:25

Futuristic technology waves

4K

00:23

Technology futuristic abstract

4K

00:26

Vsg surgery stomach organs

醫療藥物科學

Full HD

00:18

Internet technology futuristic

4K

00:23

Explosion futuristic expansion

4K

00:15

Grass nature green

Full HD

00:24

Electricity electric current

Full HD

00:06

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