機器
accessory
adult
aid
alphabet
audiology
care
caucasian
checkup
closeup
deaf
deafness
detail
device
disabled
ear
equipment
finger
hair
hand
health
healthcare
hear
hearing
holding
illness
impairment
inserting
instrument
letters
listen
listening
male
man
medical
near
object
one
palm
patient
people
person
problem
senior
sound
talk
technology
tool
wearing