英文關鍵字
alpha
blue
bluescreen
breeze
building
bushes
channel
chroma
cut
cutout
element
fern
ferns
foliage
forest
garden
green
greenscreen
home
house
isolated
key
keyed
lawn
national
nature
object
out
park
plant
plants
prekeyed
redwood
redwoods
screen
sky
studio
wind
windy
woods