sea sand

例句：

1. 1. The beach was littered with sea sand, making it difficult to walk on.
   海滩上满是海沙，走起来很困难。
2. 2.The construction crew used sea sand to fill in the gaps in the foundation.
   建筑工人用海沙填补地基的空隙。
3. 3.The artist mixed sea sand with water and pigment to create a unique texture on his canvas.
   艺术家用水和颜料将海沙混合，在他的画布上创造出独特的纹理。