paybed

例句：

1. 1.The old man had to sleep on the paybed for the night.
   老人不得不在床垫上过夜。
2. 2.She paid a lot of money for a new paybed.
   她花了很多钱买了一张新床垫。
3. 3.The old bed was worn out and needed to be replaced with a new paybed.
   旧床已经磨损不堪，需要换成一张新的床垫。