英文關鍵字
adult
aid
alphabet
audiology
caucasian
cheer
communicate
communication
deaf
deafness
disabled
discussing
disorder
ear
education
female
finger
fingers
gesture
gesturing
hand
happy
health
healthcare
hearing
help
human
impaired
lady
language
learn
lgbt
muteness
outdoors
people
person
showing
sign
signal
smile
speech
study
symbol
talking
teacher
teaching
thumb
together
two
woman