trebled is treble's Past Tense

treble

US [ˈtreb(ə)l]
UK ['treb(ə)l]
  • adj.三重(的);【乐】最高音部(的);尖锐刺耳(的);高音(的)
  • v.(使)成为三倍
  • Web三倍的;三重的;高音控制
Simple Present:trebles  Present Participle:trebling  Past Tense:trebled  
adj.
1.
三倍(的),三重(的);【乐】最高音部(的);尖锐刺耳(的);高音(的)
v.
1.
(使)成为三倍,增加两倍

Sample Sentence

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