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irretrievable (adj.)
[irretrievable 词源字典]
1690s (implied in
irretrievably
), from assimilated form of
in-
(1) "not, opposite of" +
retrievable
(see
retrieve
). Related:
Irretrievably
.
[irretrievable etymology, irretrievable origin, 英语词源]
[irretrievable 词源字典]