Protein is called the "element of life", and 4 kinds of high-protein foods are eaten regularly to increase immunity and strengthen physical fitness 1. Bell pepper beef! Protein is called the "element of life", and 4 kinds of high-protein foods are eaten regularly to increase immunity and strengthen physical fitness Protein is called the "element of life", and 4 kinds of high-protein foods are eaten regularly to increase immunity and strengthen physical fitness Protein is called the "element of life", and 4 kinds of high-protein foods are eaten regularly to increase immunity and strengthen physical fitness 2. Mustgie quail eggs! Protein is called the "element of life", and 4 kinds of high-protein foods are eaten regularly to increase immunity and strengthen physical fitness Protein is called the "element of life", and 4 kinds of high-protein foods are eaten regularly to increase immunity and strengthen physical fitness Protein is called the "element of life", and 4 kinds of high-protein foods are eaten regularly to increase immunity and strengthen physical fitness 3. Roast chicken with spring bamboo shoots! Protein is called the "element of life", and 4 kinds of high-protein foods are eaten regularly to increase immunity and strengthen physical fitness Protein is called the "element of life", and 4 kinds of high-protein foods are eaten regularly to increase immunity and strengthen physical fitness Protein is called the "element of life", and 4 kinds of high-protein foods are eaten regularly to increase immunity and strengthen physical fitness Protein is called the "element of life", and 4 kinds of high-protein foods are eaten regularly to increase immunity and strengthen physical fitness 4. Stewed beef brisket with tomato and potatoes! Protein is called the "element of life", and 4 kinds of high-protein foods are eaten regularly to increase immunity and strengthen physical fitness Protein is called the "element of life", and 4 kinds of high-protein foods are eaten regularly to increase immunity and strengthen physical fitness Protein is called the "element of life", and 4 kinds of high-protein foods are eaten regularly to increase immunity and strengthen physical fitness Protein is called the "element of life", and 4 kinds of high-protein foods are eaten regularly to increase immunity and strengthen physical fitness Protein is called the "element of life", and 4 kinds of high-protein foods are eaten regularly to increase immunity and strengthen physical fitness Protein is called the "element of life", and 4 kinds of high-protein foods are eaten regularly to increase immunity and strengthen physical fitness