英文關鍵字
abstract
abstraction
atom
background
ball
bass
beam
black
blue
bright
color
crystal
education
electric
electricity
electron
electronics
energy
experiment
flame
glass
globe
glow
glowing
ground
hadron
illumination
isolated
lamp
light
lightning
luminescence
music
negative
neon
nuclear
pink
plasma
plasmatron
positive
power
ray
reaching
red
risk
science
scientific
speaker
sphere
tech
technology
voltage