英文關鍵字
accumulator
battery
bicycle
bike
blinking
booster
charge
close
closeup
crisis
cycle
cycling
depression
device
display
ebike
electric
electricity
empty
energy
ev
exhausted
exhaustion
fatigue
fuel
gadget
green
indicator
industry
level
light
low
modern
off
overload
overloaded
overwork
power
red
sign
smart
symbol
technology
transport
transportation
turn
up
warning
weak