asphalt mattress

例句：

1. 1.The new asphalt mattress is comfortable and durable.
   新的沥青床垫舒适且耐用。
2. 2. He bought a new asphalt mattress for his son's room.
   他为儿子的房间买了一个新的沥青床垫。
3. 3. The asphalt mattress was the best choice for the camping trip.
   沥青床垫是这次露营旅行的最佳选择。