trial run

US 
UK 
  • n.(对新事物的)初步试验
  • Web试车;试运行;试运转
Plural Form:trial runs  
trial run
n.
1.
(对新事物的)初步试验,试行a test of how well sth new works, so that you can see if any changes are necessary

Sample Sentence

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