英文關鍵字
air
background
billowing
black
bottom
cloud
clouds
disappears
dissolves
exhaust
flow
fog
frame
gas
haze
incense
isolated
jet
large
machine
mist
motion
nobody
pollution
pressure
proces
process
rises
scatter
slow
slowly
smog
smoke
smoking
smoky
smoothness
smudge
splash
spray
steady
stream
strong
studio
texture
tightening
transparent
vapor
vaporizer
wave
white