brush mattress

例句：

1. 1. She bought a new brush mattress for her son's birthday.
   她为儿子的生日买了一张新的刷子床垫。
2. 2.The old mattress was in such a bad state that it needed to be replaced.
   那张旧床垫的状况太糟糕了，需要更换。
3. 3.He decided to buy a new brush mattress for his guest room.
   他决定为他的房间买一张新的刷子床垫。