saliva
Dialect is a variant of language, which is embodied according to its nature;
Dialects can be divided into regional dialects and social dialects. Regional dialect is a variant of language due to regional differences, a branch of national language in different regions, and a reflection of the unbalanced development of language in different regions. Social dialects are different social variants formed by social members in the same area due to social differences in occupation, class, age, gender and cultural upbringing.
Dialect distribution map