food pyramid

短语

食物金字塔

词形变化

food pyramids 复数 food pyramids

释义与例句

n.
  1. 1.

    A pyramid-shaped diagram in layers, where each layer represents a group of animals that feeds on the layer below.

    The teacher reminded us to always start the food pyramid with the plants on the bottom.

  2. 2.

    Any pyramidal diagram giving advice on how to eat healthily, particularly those widely publicized by the United States government.

    食物金字塔

    饮食金字塔

    美国

    The food pyramid surprised me by showing that we should eat lots of cheese.

词源

So called from its pyramid shape.

来源：wiktionary