volcanic sand

 
  • 火山沙,火山砂

volcanic sand的用法和樣例:

例句

  1. In the black volcanic sand was left the trails of their tiny fin prints.
    它們在黑色的火山沙上只留下了小小的鰭狀印跡。
  2. The sand, which is formed by dark green crystals called olivine, is brought to the surface by volcanic activity.
    這片綠沙由稱為橄欖石的墨綠色結晶體形成,被火山活動帶到地表。

volcanic sand的相關資料:

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