metallic sponge

例句：

1. 1. The metal sponge was used to remove oil from the machine.
   这个金属海绵被用来从机器中去除油。
2. 2.The scientist used a metal sponge to test the strength of the material.
   科学家使用一个金属海绵来测试材料的强度。
3. 3. The engineer designed a metal sponge that could absorb large amounts of water.
   工程师设计了一个可以吸收大量水的金属海绵。