英文關鍵字
bow
acoustic
artist
band
cello
classical
field
grass
green
group
instrument
leisure
man
music
musician
people
play
six
stand
string
violin
woman
young
old
英文關鍵字
bow
acoustic
artist
band
cello
classical
field
grass
green
group
instrument
leisure
man
music
musician
people
play
six
stand
string
violin
woman
young
old