corps
/kɔː(r)/noun
(pl. corps /kɔː/)［often in names］
1- a main subdivision of an army in the field, consisting of two or more divisions军（陆军的主要分支, 由两个或两个以上师的兵力组成）：
the 5th Army Corps.
陆军第五军。
1.1
- a branch of an army assigned to a particular kind of work（被指派特定工作的）队; 部队：
the Royal Army Medical Corps.
皇家陆军医疗队。
1.2
- with adj. or noun modifier a body of people engaged in a particular activity（从事特定工作的）一组; 一队：
the press corps.
记者团。
- short for CORPS DE BALLET.CORPS DE BALLET的简称。
词源
late 16th cent.: from French, from Latin corpus 'body'.