immigration
/ˌɪmɪˈgreɪʃn; ˌɪmə`ɡreʃən/ n
1 [U, C] (instance of) moving of people from one country to come to live in another country permanently 移民
restrictions on immigration 对外来移民的限制
[attrib 作定语]
immigration officials （处理外来移民的）移民局官员
immigration controls （对外来的）移民管制.
2 [U] (also immi`gration control) control point at an airport, sea terminal, etc at which the passports and other documents of people wanting to come into a country are checked （设於机场、 港口等的）移民局检查站（负责检查入境者的护照及有关文件）
go/pass through immigration 通过移民局检查.