Food means: food; food, food; nutrients; information.

1. Food, an English word, noun, translated as food, food, nutrients (for plant growth), etc., comes from the Germanic foth-, and can be used as subject, object, or Expressions etc.

2. Food is translated into Chinese as food, which means food. Food is what people want to eat. As the saying goes, food is the most important thing for the people. We cannot live without food. Food refers to various finished products or raw materials for human use or drinking. It is the most basic substance for human survival and development.

3. Food can be divided into two categories: alkaline food and acidic food. People must eat a combination of acid-base food to maintain the balance of the pH value of the blood in the body. The so-called acidic and alkaline foods are not identified by their taste or taste. The identification is mainly based on the chemical elements contained in the food after it is absorbed and oxidized by the body.

4. Generally, foods containing more non-metallic elements such as nitrogen, sulfur, and phosphorus are acidic foods, while foods containing more metallic elements such as sodium, potassium, calcium, and magnesium are alkaline foods. Foods that do not taste sour are acidic foods. For example, vinegar is sour, and fruits such as tangerines, plums, and apricots are also sour. However, not only are they not acidic foods, on the contrary, they are typical alkaline foods.

5. Eat more staple food, including mutton, quail and sea cucumber. Protein, fat, and carbohydrates are known as thermogenic nutrients. Therefore, in winter we should appropriately increase the intake of staple foods and fats to ensure the supply of high-quality protein.