sand stone
英
美
- sand n.沙；沙子；沙滩；黄灰色vt.撒沙；打磨；以沙掩盖
- stone n.【U】石料n.【C】石头；宝石；(水果的)硬核n.英石(重量单位；合14磅)vt.向...扔石头；去掉(水果的)核
名词 sandstone:
-
a sedimentary rock consisting of sand consolidated with some cement (clay or quartz etc.)
- Concrete is made of cement, sand, stone and water.
混凝土是由水泥，砂子石头和水混合做的。
