“双语”是国际上通用的一个语言学术语。对双语涵义的认识 ,对双语类型的划分 ,尽管学者们的认识还不尽一致 ,但对“民汉”双语的认识已取得了共识。目前我们常说的“双语” ,指的是“民汉”双语 ,即少数民族既学习本民族语言 ,又学习汉语。双语中的母语和第二语言是互相依存 “Bilingual” is a linguistic and linguistic term commonly used in the world. The understanding of the meaning of bilinguals, the division of bilingual types, although scholars are not yet fully recognized, but the understanding of “Bilingual” has reached consensus. At present, we often say “bilingual”, which means “bilingual”, that is, minorities learn both native language and Chinese. The native language and the second language are interdependent in both languages