| 单词 | unretrievable | 
| 释义 | Definition of unretrievable in English:unretrievableadjective (ˌ)ʌnrɪˈtriːvəbl 
 OriginLate 17th century; earliest use found in Afra Behn (?1640–1689), writer. From un- + retrievable. Definition of unretrievable in US English:unretrievableadjective(ˌ)ʌnrɪˈtriːvəbl 
 OriginLate 17th century; earliest use found in Afra Behn (?1640–1689), writer. From un- + retrievable.  | 
	
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