英文關鍵字
abstract
adult
aid
alphabet
art
audiology
beautiful
blur
blurred
communicate
communication
concept
deaf
deafness
device
disability
disabled
female
finger
gesture
gestures
hand
handicap
handicapped
hearing
help
human
interpreter
language
life
man
meeting
men
motion
people
person
sign
signal
symbol
talking
thai
thailand
using
woman
women