an alphabet used by the deaf; letters are represented by finger positions
manual alphabet 例句
英汉例句
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表达思想,如听说有障碍的人所用的手势语字母表。
an easy-to-read version of the remarkable story of helen keller and her special teacher, ann sullivan, provides illustrations of a one-hand manual alphabet at the end of the book.