a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away
sea wall的用法和样例:
例句
The huge waves made a breach in the sea wall. 大浪在堤上冲出一个缺口。
A cylindrical bundle of sticks bound together for use in construction, as of fortresses, earthworks, sea walls, or dams. 梢捆捆在一起的圆柱形林木捆,用于护墙、护岸、防波堤或水坝的建造上