聋幼儿学习的第一语言应该是聋人的自然手语,这是他们的母语,而他们所在国家语言的书面形式是他们的第二语言。聋幼儿发展最终应成为平衡的双语使用者。 The first language deaf children learn should be deaf natural sign language, which is their mother tongue, and the language of their country is written in their second language. The development of deaf children ultimately should become a balanced bilingual user.