noncushioned

例句：

1. 1. The furniture is noncushioned, so it's comfortable to sit on.
   家具是无垫的，所以坐起来很舒服。
2. 2. The floor was noncushioned, so we had to walk carefully.
   地板是无垫的，所以我们不得不小心翼翼地走。
3. 3. The car seat is noncushioned, which makes it easy for the child to movearound.
   汽车座椅是无垫的，这使得孩子容易移动。