英文關鍵字
alphabet
american
and
break
british
communication
confirmation
deaf
deafness
disability
dumb
education
expressing
fingers
gestures
gesturing
hand
handicap
hands
hearing
help
international
interpreter
language
learning
lesson
mantra
message
movement
mudra
mukula
mute
saying
showing
sign
signal
speaking
speech
spelling
symbol
symbolic
tantra
teacher
tutorial
unrecognizable
visual
words
yes
yoga