英文關鍵字
aaa
accumulator
alkaline
attractive
augmented
batteries
battery
business
businessman
cell
concept
digital
electric
electricity
energy
frame
full
future
glasses
hand
hologram
holographic
hud
man
mercury
phone
projection
recharge
rechargeable
recycle
recycling
screen
smart
smartphone
smile
strategy
student
supply
symbol
technology
transparent
trash
university
used
volt
waste
wireframe