any one of the categories of foods that share similar characteristics in terms of how they affect the health of the human body The five basic food groups are meat, milk, fruit, vegetables and carbohydrates. 五个基本食物类别是肉，牛奶，水果，蔬菜和碳水化合物。 Choose a variety of foods from each major food group. 从每个主要食品组中选择各种食品。