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  1. question mark

    • IPA[ˈkwesCHən ˌmärk]

    美式

    • n.
      a punctuation mark (?) indicating a question.;used to express doubt or uncertainty about something
    • noun: question mark, plural noun: question marks

    • 釋義
    • n.
      名詞
    • 1. a punctuation mark (?) indicating a question.
    • 2. used to express doubt or uncertainty about something:

      there's a question mark over his future

  2. 知識+