英文關鍵字
aid
alphabet
american
asl
british
bsl
closeup
communication
deaf
deafanddumb
deafmute
deafness
disability
dumb
ear
easy
education
expressing
female
fingers
fist
gestures
gesturing
handicap
hands
hearing
help
international
interpreter
lady
language
learning
lesson
movement
mute
showing
sign
signal
smiling
speaking
speech
spelling
symbol
symbolic
teacher
tutorial
visual
woman
words
yes