英文關鍵字
adult
age
aged
aging
aid
attention
close
closeup
conversation
deaf
deafness
difficult
difficulty
disability
disable
disorder
ear
elder
elderly
expression
face
gossip
grandfather
hand
hard
health
hear
hearing
listen
losing
loss
male
man
noise
old
older
palm
perception
person
problem
question
retired
senior
sensory
sound
talk
trouble
up
years