砂光的英文：
sanding

They panned off the sand and dirt.
他们用淘金盘淘去砂泥。

Sift gold from sand.
沙里掏金。

Sand castle damages easily.
沙堡容易受到损坏。

spit (sand spit)
沙嘴

Many sands will sink a ship
积沙沉船