充水床垫

例句：

1. 1. We decided to buy a new inflatable mattress for our guest room.
   我们决定给客房买一个新的充气床垫。
2. 2. The air mattress was perfect for camping because it could be easily inflated and deflated.
   充气床垫非常适合露营，因为它可以很容易地充气和放气。
3. 3. The inflatable mattress made the bed so comfortable that we slept soundly all night.
   充气床垫让床如此舒适，以至于我们整晚都睡得安稳。