柯林斯詞典gravel /?ɡr?v?l/ 1. N-UNCOUNT Gravel consists of very small stones. It is often used to make paths. 砂礫 ...a gravel path leading to the front door. …一條通向前門的碎石路。 返回 gravel劍橋詞典small , rounded stones , often mixed with sand 沙礫，礫石 a gravel path 石子路 返回 gravel