sands
Sand is a substance that looks like powder, and consists of extremely small pieces of stone. Some deserts and many beaches are made up of sand.
They all walked barefoot across the damp sand to the water's edge.
他们都光着脚走过潮湿的沙地来到了水边。
Sands are a large area of sand, for example, a beach.
miles of golden sands.
数英里的金色沙滩。
sand down
Sand down means the same as sand.
I was going to sand down the chairs and repaint them.
我打算把这些椅子打磨光洁后重新刷漆。
sands , sanding , sanded
If you sand a wood or metal surface, you rub sandpaper over it in order to make it smooth or clean.
Sand the surface softly and carefully.
轻轻地、小心地用砂纸打磨表面。