closed cell sponge

例句：

1. 1.The closed-cell sponge is a popular material for making artificial skin.
   闭孔海绵是一种制作人造皮肤的流行材料。
2. 2. The closed-cell sponge was used to insulate the building during the cold winter months.
   闭孔海绵被用来在寒冷的冬天期间隔热建筑。
3. 3. The closed-cell sponge is soft and comfortable, making it ideal for cushioning furniture.
   闭孔海绵柔软舒适，非常适合作为家具的垫子。