base of a spherical pyramid 球面棱锥的底面
The Food Guide Pyramid was a graphic which emphasizes that a healthy diet is built on a base of grains, vegetables and fruits, followed by ever-decreasing amounts of dairy.
食物指南金字塔是一个图表,强调健康饮食的基础是谷物、蔬菜和水果,然后是应不断减少的乳制品。
The base of the Mayo Clinic healthy Weight Pyramid focuses on generous amounts of healthy foods that contain a small number of calories in a large volume of food, particularly fruits and vegetables.
“梅奥健康体重金字塔”的底部重点是那些低热量、大份量的食物,主要为水果和蔬菜。
Families are at the base of a socioeconomic pyramid.
家庭是社会经济金字塔的基础。
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