immigrate (动词) immigration (名词) 移民入境emigrate (动词)emigration (名词) 移民出境 visa 签证landed immigrant 已登陆移民 customs inspection 海关检查application 申请citizen, citizenship 公民arrive (动词) arrival (名词) 抵达,到达 depart(动词)departure (名词) 离开,离境 luggage 行李flight number 飞机航班relatives 亲人,亲戚