[网络] 净移民 emigration: n. 移居外国;〔集合词〕移民,侨民。 emigration policy 移民政策。 colony for emigration: 移居殖民地commissioner of emigration: 移居监督官compulsive emigration: 强制殖民country emigration: 移出国下载手机词典可随时随地查词查翻译