英文關鍵字
abstract
aerosol
air
background
black
clean
cloud
concept
effect
fire
fog
fume
gas
isolated
mist
motion
pressure
smoke
spray
steam
stream
swirl
transparent
vapor
vapour
water
white
英文關鍵字
abstract
aerosol
air
background
black
clean
cloud
concept
effect
fire
fog
fume
gas
isolated
mist
motion
pressure
smoke
spray
steam
stream
swirl
transparent
vapor
vapour
water
white