central office

US 
UK 
  • un.中心机构;电话总局
  • Web中心局;局端;中央局点
un.
1.
中心机构
2.
电话总局

Sample Sentence

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