sanding
['sændiŋ]
n. 铺砂, 砂纸打磨
动词sand的现在分词
例句与用法：
His company was built on the sand.
他的公司根基不稳固。
Alas, poor duke! the task he undertakes is numbering sands, and drinking oceans dry: Where one on his side fights, thousands will fly.
唉！可怜的公爵！他担负的工作简直是数沙饮海; 一个人站在他一边作战，就有1000人转身逃走。
词形变化：