英文關鍵字
abstract
atom
ball
beam
black
blue
colour
danger
dark
electric
electricity
electrode
electronics
energy
experiment
glow
glowing
illumination
lab
lamp
light
lightning
luminescence
magenta
magic
neon
nikola
orb
phosphoresce
physics
plasma
power
purple
radiate
ray
red
risk
saturated
science
scientific
shock
souvenir
space
sphere
technology
tesla
toy
vivid
voltage