couplers is coupler's Plural Form

coupler

US 
UK 
  • n.联结器;【无线】耦合器;【铁路】车钩;【摄】发色剂
  • Web偶合剂;耦合式接头;耦合副
Plural Form:couplers  
n.
1.
联结器;【无线】耦合器;【铁路】车钩;【摄】发色剂;【乐】(风琴上连结两组键盘的)联奏器
2.
连结者,配合者

Sample Sentence

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