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  1. Oxford American Dictionary

    not

    • IPA[nät]

    美式

    • adv.
      used with an auxiliary verb or “be” to form the negative；used in some constructions with other verbs
    • n.
      a Boolean operator with only one variable that has the value one when the variable is zero and vice versa.；a circuit which produces an output signal only when there is not a signal on its input.
    • adj.
      (of paper) not hot-pressed, and having a slightly textured surface.
    • 釋義
    • 片語

    副詞

    • 1. used with an auxiliary verb or “be” to form the negative he would not say she isn't there
    • ▪ used in some constructions with other verbs he has been warned not to touch the pain of not knowing
    • 2. used as a short substitute for a negative clause maybe I'll regret it, but I hope not “Don't you keep in touch?” “I'm afraid not.”
    • 3. used to express the negative of other words not a single attempt was made treating the symptoms and not the cause
    • ▪ used with a quantifier to exclude a person or part of a group not all the poems are serious
    • ▪ less than (used to indicate a surprisingly small quantity) the brakes went on not ten feet from him
    • 4. used in understatements to suggest that the opposite of a following word or phrase is true the not too distant future not a million miles away
    • ▪ informal, humorous following and emphatically negating a statement that sounds like quality entertainment—not

    名詞

    • 1. a Boolean operator with only one variable that has the value one when the variable is zero and vice versa.
    • ▪ a circuit which produces an output signal only when there is not a signal on its input.

    形容詞

    • 1. (of paper) not hot-pressed, and having a slightly textured surface.

    片語