9."dactylology :The use of the fingers and hands to communicate and convey ideas, as in the manual alphabet used by hearing-impaired and speech-impaired people."
"手语:用手指和手来交流和达思想,如听说有障碍的人所用的手势语字母."
10."手语:用手指和手来交流和达思想,如听说有障碍的人所用的手势语字母."
"dactylology :The use of the fingers and hands to communicate and convey ideas, as in the manual alphabet used by hearing-impaired and speech-impaired people."