英文關鍵字
abstract
background
beam
black
blinking
bright
cinema
dimmer
equipment
flash
floodlight
light
many
off
on
performance
point
ray
searchlight
show
source
spot
turn
two
英文關鍵字
abstract
background
beam
black
blinking
bright
cinema
dimmer
equipment
flash
floodlight
light
many
off
on
performance
point
ray
searchlight
show
source
spot
turn
two