短语词组短語Stop emigration 中止出境移民Emigration rate 遷出率thymocyte emigration 胸腺細胞遷移emigration region 遷出區Emigration Canyon 移民峽穀;猶他州的移民峽穀emigration control 出境檢查inner emigration 內在移民Start emigration 開始出境移民 返回 emigration