suspended sand

例句：

1. 1. The river is suspended in a thick layer of murky water.
   河流被一层浓稠的水所覆盖，静止不动。
2. 2.The sand was suspended in the air, creating a beautiful pattern on the ground.
   沙子在空中悬浮，形成了地面上的美丽图案。
3. 3.The suspended sand was disturbed by the wind, causing it to swirl and fall back into the river.
   风搅动了悬浮的沙子，使其旋转并重新落入河中。