Acorns are a good source of food.

Meaning: This sentence highlights the nutritional value of acorns as a food source.

Choice of Words: **Acorns** are small brown nuts that grow on oak trees. **Are** is a form of the verb to be, indicating a state of existence. **A** is an indefinite article, indicating one or more of something. **Good** means satisfactory or desirable. **Source** means a place or thing from which something comes.

Alternative Expressions

Related Expressions

• Apples are a good source of fiber.
• Beans are a good source of protein.
• Yogurt is another good source of calcium.
• Bananas are a good source of potassium.
• Oranges are also a good source of potassium.
• Avocados are a good source of potassium.
• Sweet potatoes are a good source of potassium.
• Spinach is a good source of potassium.
• Broccoli is a good source of potassium.
• Mushrooms are a good source of potassium.