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  1. aeration

    • IPA[eˈrāSH(ə)n]

    美式

    • n.
      the introduction of air into a material
    • noun: aeration, plural noun: aerations

    • 釋義

    名詞

    • 1. the introduction of air into a material raised beds improve the drainage and aeration of the soil
    • 更多解釋
    • IPA[ɛːˈreɪʃn]

    英式

    • n.
      the introduction of air into a material: raised beds improve the drainage and aeration of the soil

    Oxford Dictionary