"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:用手指手来交达思想,如听说有障碍的人所用的手势语字."
"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:用手指手来交达思想,如听说有障碍的人所用的手势语字."
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