gravelling 📖 中文释义 铺砾石 🧩 词形变化 原形 gravel 📘 English Definition(英文释义) of Graveln. The act of covering with gravel.n. A layer or coating of gravel (on a path, etc.).n. A salmon one or two years old, before it has gone tosea. ← gravelled G 字母词表 gravelly →