英文關鍵字
adult
arms
art
baby
boy
child
childhood
chord
daughter
education
entertainment
family
female
fingers
girl
hand
hands
human
instructor
instrument
keyboard
kid
learn
learning
melody
mom
mother
music
musical
musician
parent
people
person
piano
play
player
practice
practicing
sleeve
sound
study
teach
teacher
together
togetherness
tutorial
two
unity
women
young