the action of coming to live permanently in a foreign country
移居,移民入境
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a barrier to control illegal immigration from Mexico .制止墨西哥非法移民的障碍。
the place at an airport or country's border where government officials check the documents of people entering that country
边防检查站。
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immigrationn.移居;移民入境;边防检查站
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migrationn.迁移;移动;移居;移民