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unheard-of

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UK 
  • adj.从未听见过的
  • Web闻所未闻;前所未闻的;没有听说过的
adj.
1.
从未听见过的,前所未闻的,空前的

Sample Sentence

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