| 单词 | un |
| 释义 | un-/ʌn ||; ʌn/prefix1. (used in adjectives, adverbs and nouns 用于构成形容词、副词及名词) not; the opposite of 不；相反: ◇unable 不能够◇unconsciously 无意识◇untruth 不真实◇un-american activities(= against the interests of the us) 非美活动（即对美国利益不利的活动） 2. (used in verbs that describe the opposite of a process 用于构成动词，以表示相反的动作) unlock 开锁 · ◇undo 解开◇unfold 摊开 un/ˌju: ˈen ||; ˌju ˈɛn/abbr the united nations organization 联合国 un /ˏju `ɛn; ˌjuː ˈen/n [u]the united nations 联合国 un- /ʌn-; ʌn-/prefix 1. used at the beginning of words to mean 'not' 不:◇unhappy 不高兴的◇unexpected 预料之外的 2. used at the beginning of some verbs, meaning to do the opposite of the meaning of the verb, especially when talking about removing things ［用于表示做相反的动作，尤在谈及移动东西时］:◇undress (=take off your clothes) 脱衣◇unfasten 松开 |
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