英文關鍵字
alternative
animation
battery
beauty
black
bright
bulb
cells
city
decoration
design
eco
ecology
economy
electricity
energy
enviromentally
environment
friendly
garden
icon
illuminating
illumination
isolated
lamp
lamps
led
light
line
motion
natural
nature
outdoors
panel
power
pretty
renewable
resource
silhouette
simple
sketch
solar
solarpowered
solution
street
sun
sunlight
technology
walkway
white
yard