单词	un-
释义	un-un- /ʌn/ prefix Word Origin WORD ORIGINun- Origin: 1 Old English2 Old English un-, on-, from and- ‘against’ 1[in adjectives, adverbs, and nouns] used to show a negative, a lack, or an opposite SYN  not:  unfair unhappy unfortunately uncertainty2[in verbs] used to show an opposite of a particular action:  to undress (=to take your clothes off) Have you unpacked yet (=taken your things out of your suitcase)? I heard Lila unlock the front door.
随便看	prohibitive prohibitively prohibitory project projectile projection projectionist projector Prokofiev, Sergei prolapse prole proletarian proletariat pro-life proliferate proliferation prolific prolifically prolix prologue prolong prolongation prolonged prom promenade

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