field an army把部队投入战斗
a field army野战军
Northeast Field Army东北野战军
IV field army第四野战军
northwest field army西北野战军
central plains field army中原野战军
eastern china field army华东野战军
field army sergeants基层卫生士官
N（名词） the largest formation of a land force, usually consisting of two or more corps with supporting arms and services 野战军 [军事]