gravelling的翻译，读音
释义：
铺砾石
of Gravel
n. 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 to
sea.
of Gravel
n. 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 to
sea.