英文關鍵字
american
asl
british
bsl
closeup
communication
deaf
deafmute
deafness
dialogue
disability
disabled
dumb
expressing
female
fingers
fist
gadget
gestures
gesturing
handicap
hands
health
hearing
impairment
international
internet
lady
language
lesson
movement
mute
online
showing
sign
signal
speak
speaking
speech
studying
symbol
symbolic
tab
tablet
teacher
tutorial
video
visual
woman
words