英文關鍵字
abc
alphabet
american
asl
change
communicate
communication
concept
conceptual
deaf
disabled
dumb
education
english
finger
gesticulate
gesture
gesturing
guide
hand
handicap
hearing
help
human
interpret
isolated
isolation
language
learn
letter
loss
move
mute
nonverbal
outline
person
rudiments
shape
sign
signal
signed
signs
soundless
symbol
symbolic
thumb
visual