pyramid

金字塔；角锥体英释nna large stone building with four triangular (= three-sided ) walls that slope in to a point at the top, especially in Egypt and Central America

渐增；上涨；成金字塔状vv

1 the great pyramid,大金字塔

2 pyramid scheme,金字塔骗局；非法传销

3 pyramid selling,宝塔式销售；金字塔销售法

4 food pyramid,食物金字塔

5 inverted pyramid,倒金字塔（写作结构）

1 different levels of the management pyramid.金字塔式管理体系中的不同层次