英文關鍵字
adornment
apparatus
appliance
beam
beamguide
box
bright
cable
ceiling
club
coherence
coherently
colorful
cube
decoration
device
discotheque
electric
electronic
emit
equipment
fiber
flashe
garland
glisten
glitter
green
hang
illumination
indoor
inside
laser
light
lightguide
nobody
noone
optical
phototransmissive
power
professional
radiation
ray
scenery
shine
show
stuff
technique
three
waveguide
work