Leaves turn brown.

Meaning: This means that the leaves on the trees change color and become brown during the fall season. It's like saying, The leaves on the trees change to the color of dirt during autumn.

Choice of Words: Leaves are the flat green parts of a plant or tree. Turn means to change or become something else. Brown is a color that is often associated with dirt or wood. The sentence is expressing a fact about the natural process that happens to leaves during the autumn season.

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Related Expressions