manual alphabet

基本解释

Communication by means of a manual alphabet.
手语交谈通过手势字母进行的交流
She used a manual alphabet by which she spelled out words on Helen's hand.
她用一套手做的字母把单词拼到海伦的手上。
It delighted me inexpressibly to find that they knew the manual alphabet.
当我知道他们会使用聋哑人用的手语时，我高兴得实在无法形容；
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
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