ac·tive serv·ice
noun/ˌæktɪv ˈsɜːvɪs/
/ˌæktɪv ˈsɜːrvɪs/
(especially British English) (also active duty especially in North American English)
[uncountable]- taking part in military action as a member of the armed forces, especially during a war
现役；（尤指）战时服役 - on active service troops on active service
现役部队
- on active service troops on active service