英文關鍵字
abstract
amplifier
analog
animation
audio
background
blue
close
computer
dance
design
diagram
dialing
digital
disco
display
echo
electronic
energy
equalize
frequency
monitor
sound
telephone
up
vintage
wave
英文關鍵字
abstract
amplifier
analog
animation
audio
background
blue
close
computer
dance
design
diagram
dialing
digital
disco
display
echo
electronic
energy
equalize
frequency
monitor
sound
telephone
up
vintage
wave