英文關鍵字
background
caucasian
dark
darkness
deep
device
diode
electric
electrical
electricity
energy
equipment
european
fix
frame
hand
highlight
hold
illuminate
illumination
industry
interior
kazan
lamp
lantern
large
led
ledel
light
male
man
mechanism
modern
object
operator
powerful
projection
ray
stripe
tatarstan
technology
tool
white