dig.los.si.a

n.（名詞）
A sociolinguistic situation in which complementary social functions are distributed between two different varieties of a language, a prestigious, formal, or high variety and a common, colloquial, or low variety, as in Italian, German, or Scottish English.
雙語制：一種社會(huì)語言學(xué)地位，其中補(bǔ)充的社會(huì)功能分配在同一種語言的兩種異體一種為有聲譽(yù)的，正式的或變化多的異體，另一種為普通的、口語化的或變化少的異體，如意大利語、德語或蘇格蘭英語

來源：
From Greek diglôssos [speaking two languages]
源自 希臘語 diglôssos [能說兩種語言]
di- [two] * see di-
di- [二] *參見 di-
glôssa [tongue, language]
glôssa [舌頭，語言]