preliminary trial

US 
UK 
  • un.初步试验;初步试车
  • Web初审;初试;预审
un.
1.
初步试验
2.
初步试车

Sample Sentence

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