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  1. accretionary prism

    • n.
      a mass of sedimentary material scraped off a region of oceanic crust during subduction and piled up at the edge of a continental crustal plate.
    • noun: accretionary prism, plural noun: accretionary prisms

    • 更多解釋
    • IPA[əˌkrēSHənerē ˈprizəm]

    美式

    • n.
      a mass of sedimentary material scraped off a region of oceanic crust during subduction and piled up at the edge of the overriding plate.

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