短語詞組短語undocumented alien 非法入境移民;非法入境undocumented units 無證單位undocumented immigrants 無身份移民undocumented persons 無證照人士Undocumented method 未標(biāo)明的隱含方法undocumented workers 無手續(xù)移民;無證工人;無證勞工undocumented feature 非文件功能undocumented a 無正式文件的undocumented worker 無證工人 返回 undocumented