柯林斯词典gravel /ˈɡrævəl/ 1. N-UNCOUNT Gravel consists of very small stones. It is often used to make paths. 砂砾 ...a gravel path leading to the front door. …一条通向前门的碎石路。 返回 gravel剑桥词典small , rounded stones , often mixed with sand 沙砾，砾石 a gravel path 石子路 返回 gravel