ashy grit

例句：

1. 1. Thebeach was littered with ashesand grit from the fire.
   海滩上满是从火中飞起的灰烬和砂粒。
2. 2. The old house had beenbuilt on a hillside of sand andgrit.
   这座老房子建在沙丘和砂砾地上。
3. 3. The sand and gritwere so fine that they could be usedas building material.
   沙子和砂砾非常细，可以用作建筑材料。