sign languange

• 手势语

sign languange的用法和样例：

例句

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. Koko is the first gorilla to have been taught sign language.
   科科是学习手势语的第一只大猩猩。