She went up the spiral staircase.

A sponge has the ability to absorb water.

I love eating shellfish.

The sea surface is quietly rippling.

We discussed world peace at the summit.

The interface of this computer is easy to use.

A sea cow is a very large aquatic mammal.

He proposed a change of title for the book.

He proposed to change the title of the book.

That monster cat was terrifying the town at night.