round trips is round trip's Plural Form

round trip

US 
UK 
  • na.〈美〉来回(的旅程);〈英〉周游
  • Web往返旅程数;坐电梯;起下钻
Plural Form:round trips  
na.
1.
〈美〉来回(的旅程);〈英〉周游

Sample Sentence

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