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  1. stratum

    • IPA[ˈstrɑːtəm]

    英式

    • n.
      a layer or a series of layers of rock in the ground;a thin layer within any structure
    • noun: stratum, plural noun: strata

    • 釋義
    • 相關詞

    名詞

    • plural form of stratum

    Oxford Dictionary

    • plural form of stratum

    Oxford American Dictionary

    • n.
      the outermost layer of the skin, consisting of keratinized cells.

    Oxford Dictionary

    • n.
      the horny outer layer of the skin.

    Oxford American Dictionary

    • n.
      the registered ownership of layers of air space (rather than ground area) in a multistorey building: the real estate company bought the strata titles of the two larger offices strata title units

    Oxford Dictionary

    • 更多解釋
    • IPA[ˈstrādəm]

    美式

    • n.
      a layer or a series of layers of rock in the ground: a stratum of flint

    Oxford American Dictionary