sand kneader

例句：

1. 1. The sand kneader was used to mix the sand and water together.
   沙磨机用来混合沙子和水。
2. 2.The sand kneader is essential for creating a smooth surface on the beach.
   沙磨机对于在海滩上制作平滑的表面至关重要。
3. 3. The sand kneader was used to create intricate designs in the sand.
   沙磨机被用来在沙子中创造出复杂的设计。