active service

US 
UK 
  • n.现役;(尤指)战时服役
  • Web主动式服务;激活服务;现役服务
active service
n.
1.
现役;(尤指)战时服役the work of a member of the armed forces, especially during a war
troops on active service
现役部队

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard