雅虎香港 搜尋

搜尋結果

  1. Yahoo字典

    noun

    • 1. a nutritional diagram in the shape of a pyramid, especially (in the US) the Food Guide Pyramid.
    • 2. a graphic representation of predatory relationships in the food chain, in which various forms of life are shown on different levels, with each level preying on the one below it.

    Powered by New Oxford American Dictionary