( NAmE also ˌactive ˈduty ) noun
[ U ] the work of a member of the armed forces, especially during a war :
troops on active service
( NAmE also ˌactive ˈduty ) noun
[ U ] the work of a member of the armed forces, especially during a war :
troops on active service
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005