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You should eat a1. What does that mean? Well, 2the colours of the foods. Meat is brown and rice is white. Tomatoes are red and grapes are purple. When we say" "Eat a rainbow", that means you should eat different foods, especially (尤其) fruit and3. Milk, meat, egg and fish are also4to us. Eat some of them for each meal. Candy and ice cream are yummy, but don't eat5at a time.