英文關鍵字
white
computer
energy
cable
connection
connector
cord
current
electric
hardware
insert
plug
power
socket
technology
transfer
wire
Hand
connect
device
electronic
mobile
phone
wireless
digital
pc
network
data
usb
battery
charger
charging
charge
backup
smartphone
command
universal
recharge
transfert
Mobile Phone
Power Supply
electric cable
electric wire