at one time

US 
UK 
  • na.同时;曾经
  • Web一度;过去一度;以前曾经
na.
1.
同时;有一个星期,曾经

Sample Sentence

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