英文關鍵字
abstract
animation
art
background
blue
bush
card
cartoon
christmas
cloud
dark
dawn
day
decoration
design
dusk
education
evening
forest
green
infographic
landscape
moon
nature
night
outbreak
outdoors
outside
photosynthesis
plant
scenery
school
science
season
sky
sleep
space
star
starry
stars
sun
sunlight
symbol
tree
twilight
vector
wallpaper
winter
outdoor
versatile
projects
presentations
educational
materials
ambient
digital
sequence
backdrop
scene
immersing
viewers
nature's
transition
daylight
magical
hues