corps

1. N-COUNT/N-IN-NAMES A corps is a part of the army which has special duties. 特殊兵種

...the Army Medical Corps. …陸軍毉療部隊。

2. N-COUNT The Corps is the United States Marine Corps. 美國海軍陸戰隊[美國英語]

...seventy-five men, all combat veterans, all members of The Corps' most exclusive unit. …75名士兵，全都是作戰老手、海軍陸戰隊最精銳部隊的成員。

3. N-COUNT A corps is a small group of people who do a special job. 特別小組

...the diplomatic corps. …外交使團。