英文關鍵字
stereo
acoustic
device
music
record
studio
equipment
compact
disc
vinyl
mp3
player
tape
listening
song
headphones
singer
singing
microphone
tone
loudspeaker
drum
audio
melody
note
sound
equalizer
download
bass
dynamic
clef
volume
mixer
electronic
cd
listen
voice
vocal
megaphone
karaoke
single
icon
motion
animation
hd
animated