英文關鍵字
apparatus
beat
button
case
class
closeup
concert
device
equipment
experimentanium
glass
hit
hummer
indoor
inside
instrument
kick
knock
light
lot
many
mechanic
mechanism
motion
music
nobody
noone
nopeople
object
piano
push
reflection
row
school
small
sound
spot
stick
strike
string
tap
tapper
transparent
wood
wooden