英文關鍵字
1940
1980
abstract
airwaves
audio
background
bandwidth
box
bright
broadcasting
communication
dial
entertainment
equipment
fashioned
fingers
frequency
global
hand
hifi
light
listening
media
music
news
noise
nostalgia
numbers
object
old
opera
radio
receiver
retro
revival
show
soap
sound
speaker
stereo
styled
technology
texture
transmission
tuner
vintage
volume
white
wireless