Unpleasant

来自Big Physics

wiktionary

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From Middle English unplesaunt, equivalent to un- +‎ pleasant.


etymonline

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unpleasant (adj.)

1530s, from un- (1) "not" + pleasant (adj.). Related: Unpleasantly.

取自“https://www.bigphysics.org/index.php?title=Unpleasant&oldid=23645”