英文關鍵字
arm
back
background
bend
calculate
close
count
counting
female
fifth
finger
fingers
first
fist
five
fold
forefinger
four
fourth
friendly
gesture
girl
hand
hands
handshake
human
index
invoice
isolated
language
learn
math
mathematics
number
one
order
palm
people
person
second
selective
set
shot
sign
symbol
that
their
third
three
thumb
training
turn
turquoise
two
white
woman
womens
your