air-filled mattress

• 充气垫

air-filled mattress的用法和样例：

例句

1. It was just an empty room, with an air mattress covered in what she assumed were new sheets, and some pajamas and toiletries lying on top.
   这是个空房间，只有一张床，上面垫着充气垫，诶里森放了一些睡衣和化妆品在上面。