英文關鍵字
abc
affectionate
age
aid
alphabet
american
asl
assistance
british
caucasian
communicate
concept
conceptual
concern
deaf
disabled
faith
finger
fingers
forgiveness
freedom
friend
friendship
gesture
guidance
guide
hand
help
helpful
hold
hope
human
inspiration
isolated
language
letter
manual
mute
nonverbal
one-handed
sign
signal
symbol
symbolic