Fish swim fast in clear lake.

Meaning: This sentence describes a group of fish that are swimming fast in a clear lake.

Choice of Words: Fish are cold-blooded animals that live in water. Swim means to move through water using fins. Fast means to move at a high speed. In is a preposition that indicates a location or position. Clear means free from dirt, marks, or cloudiness. Lake is a large body of water surrounded by land.

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