black box

US 
UK 
  • n.黑匣子;黑盒;飞行记录仪
  • Web黑箱;黑盒子;未知框
Plural Form:black boxes  
black box
n.
1.
黑匣子;黑盒;飞行记录仪a small machine in a plane that records all the details of each flight and is useful for finding out the cause of an accident
2.
[ususing]
未知框(常为电子的复杂仪器,内部结构不详)a complicated piece of equipment, usually electronic, that you know produces particular results, but that you do not completely understand

Sample Sentence

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