犹太人的大流散持续了近两千年。

The Jewish ___diaspora lasted for nearly two thousand years.

爱尔兰侨民在世界各地保持着他们独特的文化传统。

The Irish ___diaspora maintains its unique cultural traditions around the world.

爱尔兰移民潮在19世纪因大饥荒而显著扩大。

The Irish ___diaspora expanded significantly during the 19th century due to the Great Famine.