英文關鍵字
adult
and
attention
background
closeup
color
communicate
communication
concept
concepts
conceptual
copy
count
counting
education
expressive
finger
first
five
four
gesture
gesturing
gray
grey
hand
human
ideas
index
isolated
language
learn
learning
male
man
nonverbal
number
one
people
person
pointing
preschool
psychological
psychology
school
sign
signal
single
social
space
symbol
three
two
with