(ecology) a hierarchy of food chains with the principal predator at the top; each level preys on the level below
food pyramid的用法和样例:
例句
The Food Pyramid is a useful practical guide for attaining a balanced diet. 食物金字塔为均衡饮食提供了实用的指引。
Studies indicate that adherence to the recommendations in the revised pyramid can significantly reduce the risk of cardiovascular disease for both men and women. 研究指出,依循修订后的食物金字塔,无论男女皆可显著降低心血管疾病的风险。