immigration是什么意思

immigration 英[ˌɪmɪˈgreɪʃn] 美[ˌ答姿ɪmɪˈɡreɪʃn] n. 移居; 移民人数野举毕; 移民局检查站; [例句]The government has decided to tighten its immigration policy.政府决定实施更加颂芹严格的移民政策。