rock fragment的用法和樣例:
例句
- An unconsolidated mixture of rock fragments or pebbles.
礫石岩石碎片或卵石的鬆散的混合物
- A rock fragment between 4 and 64 millimeters(0.16 and 2.51 inches) in diameter, especially one that has been naturally rounded.
水晶石石英斷片,直徑4到64毫米(0.
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