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uncultivated (adj.)
[uncultivated 词源字典]
1640s (figurative); 1680s (of plants); 1690s (of land), from
un-
(1) "not" + past participle of
cultivate
(v.).
[uncultivated etymology, uncultivated origin, 英语词源]
[uncultivated 词源字典]