be on

US 
UK 
  • un.坏;进展顺利
  • Web上映;上演;在进行,在上演
un.
1.
2.
进展顺利

Sample Sentence

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