坐垫

例句：

1. 1. The sofa is covered with a soft cushion for comfort.
   沙发被一个软垫覆盖，以提供舒适。
2. 2. The car was parked on the hard seat cushion.
   汽车停在硬坐垫上。
3. 3. The old chair had a worn cushion that needed to be replaced.
   旧椅子有一个磨损的坐垫，需要更换。