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ripple mark

/ˈrɪpəl mɑːrk/

翻译: 风、水或水流在沙、泥、石等表面留下的波状或弯曲的痕迹或图案,尤指沉积岩层面上的波痕。

1 个条目

phrase

/ˈrɪpəl mɑːrk/C1formalscientific
  • zh风、水或水流在沙、泥、石等表面留下的波状或弯曲的痕迹或图案,尤指沉积岩层面上的波痕。

A wavy or undulating mark or pattern left on a surface, such as sand, mud, or rock, typically formed by the action of wind, water, or currents.

  1. Geological featureB2formal

    A wavy pattern or ridge formed on the surface of sand or sediment by the action of wind or water.

    zh波痕

    • The geologist studied the ripple marks on the ancient sandstone.
    • Ripple marks on the beach indicate the direction of the tide.
    • These ripple marks were preserved in the rock for millions of years.