deaf-and-dumb alphabet

• n. (聋哑人的)手势语

deaf-and-dumb alphabet的用法和样例：

例句

用作名词 (n.)

1. She learnt to sign to help her deaf child.
   为帮助她耳聋的孩子，她学会了手势语。
2. Deaf people communicate by body language.
   聋子靠手势语交际。