英文關鍵字
accumulator
adult
arm
background
battery
blue
bright
charge
charger
component
different
electricity
energy
equipment
finger
fuel
full
gift
give
glossy
green
hand
high
icon
illustration
incomplete
indicator
isolated
life
load
male
man
measuring
mobile
modern
people
person
phone
power
screen
sign
size
smartphone
supply
symbol
technology
unloaded
virtual
watt