People who come from a particular nation, or whose ancestors came from it, but who now live in many different parts of the world are sometimes referred to as the diaspora .
例句
...the history of peoples from the African diaspora.非洲移民的历史...the Jews of the diaspora.流散在外的犹太人
英英词典释义
Noun
1. the body of Jews (or Jewish communities) outside Palestine or modern Israel
2. the dispersion or spreading of something that was originally localized (as a people or language or culture)