Fish swim quickly in the ocean.

Meaning: Aquatic animals that have gills and fins and live in water move through water using fins or other body parts at a fast pace or speed in a large body of salt water that covers most of the earth's surface.

Choice of Words: Fish are aquatic animals that have gills and fins and live in water. Swim means to move through water using fins or other body parts. Quickly means at a fast pace or speed. In indicates a location or position. Ocean is a large body of salt water that covers most of the earth's surface.

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