他用海绵擦洗水槽。
He scrubs the sink with a ___sponge.
孩子们在潮池里发现了一只附着在岩石上的海绵。
The kids found a ___sponge attached to a rock in the tide pool.
我用海绵擦洗了厨房的水槽。
I cleaned the kitchen sink with a ___sponge.