英文關鍵字
abstract
abstraction
atom
ball
bass
beam
black
blue
bolt
bright
color
colour
crystal
current
danger
electric
electricity
electronics
energy
experiment
flame
glass
globe
glow
glowing
ground
illuminated
illumination
lamp
light
lightning
luminescence
music
negative
neon
physics
plasma
positive
power
ray
red
school
science
scientific
spark
speaker
sphere
tech
technology
violet