gravel

砾石、碎石、砂砾

They spread a thick layer of gravel over the muddy driveway.

他们在泥泞的车道上铺了一层厚厚的砾石。

碎石路、砾石地

Her bike skidded on the loose gravel near the corner.

她的自行车在转角附近松散的碎石路上打滑了。

铺碎石、铺砾石常用被动

The narrow path behind the house was graveled last summer.

屋后那条窄小的步道去年夏天铺上了碎石。