“砂砾石”常见的英文表达是 “gravel” 或 “gravel stone”(更强调是石子形态的砂砾 )。
“gravel” 本身既可指砂砾这种物质,也可指由砂砾构成的地表、路面等;而 “gravel stone” 更明确地指向砂砾石这种颗粒状的石头 。例如:
The road is covered with a layer of gravel.(这条路上覆盖着一层砂砾。 )
We need some gravel stones to build the foundation.(我们需要一些砂砾石来打地基。 )