英文關鍵字
abstract
animation
background
bright
bulb
cartoon
concept
creative
creativity
economy
efficient
electric
electrical
electricity
energy
equipment
filament
glass
glow
icon
idea
illumination
illustration
imagination
innovation
invention
isolated
light
lightbulb
luminosity
motion
object
polygonal
power
progress
resource
science
shine
shining
sign
simple
solution
supply
symbol
technology
theory
thinking
thought
transparent
watt
white