immigration

• 指进入并定居在一个非本人出生地的国家的行为或过程，通常涉及法律程序和证件办理。

The process or act of entering and settling in a country where one is not a native, often involving legal procedures and documentation.

不可数

1. Process of entering a countryB1formal

   The act of coming to live permanently in a foreign country.

   移民入境

   • Immigration to the United States increased in the 19th century.
   • The government is reforming its immigration policies.
   • Many people seek immigration for better opportunities.

   同义词in-migrationmigrationrelocationresettlementsettlement

2. B1formal

   The government department that controls the entry of foreigners into a country.

   移民局

   • You need to contact immigration for a visa extension.
   • The immigration officer checked my passport carefully.
   • Immigration laws vary from country to country.