marble gravel

英 美
  • 大理石砾石
  • gravel n.碎石v.铺碎石;使困惑
  • marble n.大理石;弹子,弹珠vt.使有大理石的花纹
    1. The road is covered with gravel.
      这路用砾石铺成。
    2. Gravel is much used for road-making.
      砾石常用来筑路。