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  1. Oxford American Dictionary

    ground rule

    • IPA[ˈɡround ˌro͞ol]

    美式

    • n.
      a basic principle；a rule pertaining to the limits of play on a particular field.

    • noun: ground rule, plural noun: ground rules

    • 釋義

    名詞

    • 1. a basic principle some ground rules for assessing new machines
    • ▪ a rule pertaining to the limits of play on a particular field.