Here's a look at energy density by the categories in the Mayo Clinic HealthyWeightPyramid.
下面来看看Mayo诊所健康体重金字塔里各类食物的能量密度吧。
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The base of the Mayo Clinic healthyWeightPyramid focuses on generous amounts of healthy foods that contain a small number of calories in a large volume of food, particularly fruits and vegetables.