| [/ˈpɪrəmɪd; ˋpɪrəmɪd/] n 用法:
1 structure with a flat square or triangular base and sloping sides that meet in a point at the top, esp one of those built of stone by the ancient Egyptians as tombs 金字塔（尤指古埃及的）. 用法:
2 (esp in geometry) solid figure of this shape with a base of three or more sides （尤指几何学中的）锥体. =>illus at cube 见 cube 插图. 用法:
3 thing or pile of things that has the shape of a pyramid 金字塔形之物或一堆东西:
a pyramid of tins in a shop window 商店橱窗中摆成金字塔形的罐头. |