英文關鍵字
aged
analog
antique
audio
background
broadcast
case
classic
controls
deck
electronic
electronics
entertainment
equipment
espionage
gear
listen
machine
magnetic
mechanic
mechanism
media
music
nwooden
obsolete
old
outdated
pause
play
playback
player
portable
record
recorder
recording
retro
reverse
rewind
round
signal
sound
speaker
spin
spool
spy
start
stereo
stop
structure
studio
surveillance
table
tape
technology
vintage
voice