柯林斯詞典resident alien (resident aliens) 1. N-COUNT A resident alien is a person who was born in one country but has moved to another country and has official permission to live there. 外籍居畱者; 外僑 Both left school in the fourth grade in Mexico and are resident aliens in the United States. 在墨西哥時(shí)兩個(gè)人都是在4年級(jí)退的學(xué),現(xiàn)在都是居美外僑。 返回 resident alien