英文關鍵字
small
red
portable
radio
rechargeable
solar
panels
manually
crank
flashlight
included
antenna
audio
black
camera
case
cathode
handle
demonstration
design
ecological
electric
electronic
emergency
entertainment
equipment
frequency
hike
icon
isolated
light
media
modern
music
object
operate
panel
person
plastic
professional
program
retro
sound
stereo
technology
travel
tune
tuner