/ˌɪmɪˈgreɪʃn ||; ˌɪməˈgreʃən/noun [U]:
1 the process of coming to live permanently in a country that is not your own; the number of people who do this 移民: There are greater controls on immigration than there used to be. 现在对外来移民的管制比过去严格。
2 (also immiˈgration control) the control point at an airport, port, etc where the official documents of people who want to come into a country are checked 入境检查站: When you leave the plane you have to go through customs and immigration. 下机后得办理过关及入境手续。
There is a verb ‘immigrate’ but it is very rarely used. We normally use the expression ‘be an immigrant’ or the verb ‘emigrate’ which is used in connection with the place that somebody has come from My parents emigrated to this country from Jamaica. immigrate这个动词很少用。一般用be an immigrant，也可以说从某地emigrate：My parents emigrated to this country from Jamaica. 我父母从牙买加移居这个国家。 Look at emigrate, emigrant and emigration. 参看emigrate、emigrant及emigration。