coarse stuff

例句：

1. 1. The old man was very pleased with the rough stuff he received as a gift.
   老人对于他收到的粗糙物品非常满意。
2. 2. The carpenter used coarse stuff to build the house.
   木匠用粗糙的材料建造了房子。
3. 3. The farmer used coarse stuff to make his clothes.
   农民用粗糙的材料制作了他的衣服。