un-
短语pref. 不, 不会的, 无, 未, 非 [医] 不
发音
别名
释义与例句
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1.
not
un- + educated → uneducated (“not educated”)
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2.
lack of
un- + conformity → unconformity (“lack of conformity”)
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3.
contrary to traditional norms; unconventional
不-
不
无
un- + conference → unconference
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1.
the inverse of a specified action
un- + dress → undress (“to take one's clothes off”)
un- + lock → unlock (“to undo the locking of”)
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2.
deprive of, release from, free from, remove from, extract from
un- + cage → uncage (“to release from a cage”)
un- + tangle → untangle (“to remove the tangling of”)
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3.
intensifying a verb that already suggests opposition or removal
罕用un- + loosen → unloosen
un- + decipher → undecipher
un- + thaw → unthaw
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1.
Used for the digit one to form systematic element names of elements whose existence has been predicted, and which have not yet been given a trivial name.
化学un- (“1”) + bi- (“2”) + un- (“1”) + -ium (element suffix) → unbiunium (“element 121”)
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2.
Used to form large numbers as the first in the sequence.
un- + decillion (“10³³”) → undecillion (“10³⁶”)
un- + vigintillion (“10⁶³”) → unvigintillion (“10⁶⁶”)
词源
From Middle English un-, from Old English un-, from Proto-West Germanic *un-, from Proto-Germanic *un-, from Proto-Indo-European *n̥-. Cognate with Scots un-, on- (“un-”), North Frisian ün-, Saterland Frisian uun-, West Frisian ûn-, on-, Dutch on-, Low German un-, on-, German un-, Danish u-, Swedish o-, Norwegian u-, Icelandic ó-. More distant cognate with Latin in-, Ancient Greek ἀ- (a-) (whence English a-, modern Greek α- (a-)) and Sanskrit अ- (a-). Doublet of in- and a-.
来源：wiktionary