lingua franca
Longman Dictionary of Contemporary English 5++LDOCE 5++lin·gua fran·ca /ˌlɪŋɡwə ˈfræŋkə/ noun [countable usually singular] SLa language used between people whose main languages are different 〔母语不同的人之间使用的〕通用语，交际语 English is the lingua franca in many countries. 英语在很多国家是通用语言。
Examples from the Corpus
lingua franca• Photographic reportage, the cinema and television have produced a lingua franca of universally comprehensible pictures.• And in a country whose language has become the world's lingua franca its literary culture is its culture.• Swahili is the lingua franca of East Africa.Origin lingua franca (1600-1700) Italian “tongue of the Franks”lin·gua fran·ca nounChineseSyllable
languages people Corpus whose language used are different main between a
lingua franca
lin‧gua fran‧ca /ˌlɪŋɡwə ˈfræŋkə/
noun [countable, usually singular]
English is the lingua franca in many countries.
lin‧gua fran‧ca /ˌlɪŋɡwə ˈfræŋkə/
noun [countable, usually singular] Date: 1600-1700
Language: Italian
Origin: __tongue of the Franks__
a language used between people whose main languages are different:Language: Italian
Origin: __tongue of the Franks__