Firstly, the different definitions of dialect island in the academical circle are introduced and the concept of dialect island is specified in a broad sense in this paper.

学术界目前有关方言岛的定义仍存分歧，本文采用广义上的方言岛概念。

youdao

Firstly, the different definitions of dialect island in the academical circle are introduced and the concept of dialect island is specified in a broad sense in this paper.

学术界目前有关方言岛的定义仍存分歧，本文采用广义上的方言岛概念。

youdao