aide-de-camp
noun/ˌeɪd də ˈkɒ̃/
/ˌeɪd də ˈkæmp/
(plural aides-de-camp
/ˌeɪd də ˈkɒ̃/
/ˌeɪd də ˈkæmp/
)(abbreviation ADC)
- an officer in the army or navy who helps a more senior officer
（陆军或海军）副官，随从参谋 Word Originlate 17th cent.: from French, ‘camp adjutant’.