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  1. circulation

    • IPA[ˌsərkyəˈlāSH(ə)n]

    美式

    • n.
      movement to and fro or around something, especially that of fluid in a closed system;the continuous motion by which the blood travels through all parts of the body under the action of the heart
    • noun: circulation, plural noun: circulations

    • 釋義
    • 片語

    名詞