helplines is helpline's Plural Form

helpline

US [ˈhelpˌlaɪn]
UK ['help.laɪn]
  • na.(电话局开设的)求助咨询热线
Plural Form:helplines  
na.
1.
(电话局开设的)求助咨询热线

Sample Sentence

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