短語詞組短語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(qū)Emigration Canyon 移民峽谷;猶他州的移民峽谷emigration control 出境檢查inner emigration 內(nèi)在移民Start emigration 開始出境移民 返回 emigration