Fish swim deep in the sea.

Meaning: This sentence describes how fish are able to move through water and their typical location is deep below the surface.

Choice of Words: Fish are animals that live in water and have fins for swimming. Swim means to move through water using fins or other body parts. Deep means far below the surface of the water. In is used to indicate a location or position. Sea is a large body of salt water.

Alternative Expressions

The fish are swimming deep in the ocean.

Meaning: This means that the fish are currently moving in the deep parts of the ocean.

Choice of Words: The is an article that refers to a specific thing. Fish are aquatic animals that live in water. Are is a verb that means to exist or to be. Swimming is a verb that means to move through water using fins or other body parts. Deep means far below the surface. Ocean is a large body of saltwater. When you put them together, "The fish are swimming deep in the ocean" means that specific fish are moving through the water far below the surface of a large body of saltwater.

Related Expressions