英文關鍵字
advice
art
attention
beard
black
chairs
class
couple
education
female
glasses
guidance
hands
happiness
happy
indoors
keyboard
learning
lecture
lesson
listening
male
man
music
musical
notes
people
performance
piano
pink
playing
sitting
smile
smiling
students
studying
support
talking
teacher
teaching
together
trainer
training
two
university
woman
young