spongy paper

例句：

1. 1.The sponge is soft and easy to clean.
   这块海绵很软，很容易清洗。
2. 2.The sponge was used to soak up the water.
   这块海绵被用来吸水。
3. 3. The sponge has a spongy texture.
   这块海绵有海绵状的质地。