英文關鍵字
arcing
ball
depending
dome
electric
electricity
electrode
energy
lamp
light
neon
nikola
orb
physicist
physics
pink
plasm
plasma
power
rose
rosy
science
shape
sphere
tesla
tube
英文關鍵字
arcing
ball
depending
dome
electric
electricity
electrode
energy
lamp
light
neon
nikola
orb
physicist
physics
pink
plasm
plasma
power
rose
rosy
science
shape
sphere
tesla
tube