充气床垫

例句：

1. 1. We bought a new air mattress for our trip to the beach.
   我们买了一个新充气床垫去海滩旅行。
2. 2. The inflatable bed was so comfortable that we slept like babies.
   这个充气床垫非常舒服，我们睡得像婴儿一样。
3. 3. Air mattresses are great for camping because they're lightweight and easy to set up.
   充气床垫非常适合露营，因为它们轻便且易于搭建。