rough pad

例句：

1. 1.The old rug on the floor is a nice addition to the room.
   地板上那块旧地毯是房间的一个很好的装饰。
2. 2. He used a rough pad to protect his hands when he worked with wood.
   他在做木工时用一块粗糙的垫子来保护他的手。
3. 3.The rough pad helped him feel more comfortable while sitting on the cold stone floor.
   这块粗糙的垫子让他坐在冰冷的石地上时感觉更舒服。